221406900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{397}}^1$

素因数の和:451

約数の個数: 216

約数和(自身を含む): 758638944

約数和(自身を除く): 537232044

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 25, 26, 30, 33, 39, 44, 50, 52, 55, 60, 65, 66, 75, 78, 100, 110, 130, 132, 143, 150, 156, 165, 169, 195, 220, 260, 275, 286, 300, 325, 330, 338, 390, 397, 429, 507, 550, 572, 650, 660, 676, 715, 780, 794, 825, 845, 858, 975, 1014, 1100, 1191, 1300, 1430, 1588, 1650, 1690, 1716, 1859, 1950, 1985, 2028, 2145, 2382, 2535, 2860, 3300, 3380, 3575, 3718, 3900, 3970, 4225, 4290, 4367, 4764, 5070, 5161, 5577, 5955, 7150, 7436, 7940, 8450, 8580, 8734, 9295, 9925, 10140, 10322, 10725, 11154, 11910, 12675, 13101, 14300, 15483, 16900, 17468, 18590, 19850, 20644, 21450, 21835, 22308, 23820, 25350, 25805, 26202, 27885, 29775, 30966, 37180, 39700, 42900, 43670, 46475, 50700, 51610, 52404, 55770, 56771, 59550, 61932, 65505, 67093, 77415, 87340, 92950, 103220, 109175, 111540, 113542, 119100, 129025, 131010, 134186, 139425, 154830, 170313, 185900, 201279, 218350, 227084, 258050, 262020, 268372, 278850, 283855, 309660, 327525, 335465, 340626, 387075, 402558, 436700, 516100, 557700, 567710, 655050, 670930, 681252, 738023, 774150, 805116, 851565, 1006395, 1135420, 1310100, 1341860, 1419275, 1476046, 1548300, 1677325, 1703130, 2012790, 2214069, 2838550, 2952092, 3354650, 3406260, 3690115, 4025580, 4257825, 4428138, 5031975, 5677100, 6709300, 7380230, 8515650, 8856276, 10063950, 11070345, 14760460, 17031300, 18450575, 20127900, 22140690, 36901150, 44281380, 55351725, 73802300, 110703450, 221406900]

約数ペア:

[(1, 221406900), (2, 110703450), (3, 73802300), (4, 55351725), (5, 44281380), (6, 36901150), (10, 22140690), (11, 20127900), (12, 18450575), (13, 17031300), (15, 14760460), (20, 11070345), (22, 10063950), (25, 8856276), (26, 8515650), (30, 7380230), (33, 6709300), (39, 5677100), (44, 5031975), (50, 4428138), (52, 4257825), (55, 4025580), (60, 3690115), (65, 3406260), (66, 3354650), (75, 2952092), (78, 2838550), (100, 2214069), (110, 2012790), (130, 1703130), (132, 1677325), (143, 1548300), (150, 1476046), (156, 1419275), (165, 1341860), (169, 1310100), (195, 1135420), (220, 1006395), (260, 851565), (275, 805116), (286, 774150), (300, 738023), (325, 681252), (330, 670930), (338, 655050), (390, 567710), (397, 557700), (429, 516100), (507, 436700), (550, 402558), (572, 387075), (650, 340626), (660, 335465), (676, 327525), (715, 309660), (780, 283855), (794, 278850), (825, 268372), (845, 262020), (858, 258050), (975, 227084), (1014, 218350), (1100, 201279), (1191, 185900), (1300, 170313), (1430, 154830), (1588, 139425), (1650, 134186), (1690, 131010), (1716, 129025), (1859, 119100), (1950, 113542), (1985, 111540), (2028, 109175), (2145, 103220), (2382, 92950), (2535, 87340), (2860, 77415), (3300, 67093), (3380, 65505), (3575, 61932), (3718, 59550), (3900, 56771), (3970, 55770), (4225, 52404), (4290, 51610), (4367, 50700), (4764, 46475), (5070, 43670), (5161, 42900), (5577, 39700), (5955, 37180), (7150, 30966), (7436, 29775), (7940, 27885), (8450, 26202), (8580, 25805), (8734, 25350), (9295, 23820), (9925, 22308), (10140, 21835), (10322, 21450), (10725, 20644), (11154, 19850), (11910, 18590), (12675, 17468), (13101, 16900), (14300, 15483)]