28785900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:113

約数の個数: 216

約数和(自身を含む): 100205392

約数和(自身を除く): 71419492

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, 61, 65, 66, 75, 78, 100, 110, 121, 122, 130, 132, 143, 150, 156, 165, 183, 195, 220, 242, 244, 260, 275, 286, 300, 305, 325, 330, 363, 366, 390, 429, 484, 550, 572, 605, 610, 650, 660, 671, 715, 726, 732, 780, 793, 825, 858, 915, 975, 1100, 1210, 1220, 1300, 1342, 1430, 1452, 1525, 1573, 1586, 1650, 1716, 1815, 1830, 1950, 2013, 2145, 2379, 2420, 2684, 2860, 3025, 3050, 3146, 3172, 3300, 3355, 3575, 3630, 3660, 3900, 3965, 4026, 4290, 4575, 4719, 4758, 6050, 6100, 6292, 6710, 7150, 7260, 7381, 7865, 7930, 8052, 8580, 8723, 9075, 9150, 9438, 9516, 10065, 10725, 11895, 12100, 13420, 14300, 14762, 15730, 15860, 16775, 17446, 18150, 18300, 18876, 19825, 20130, 21450, 22143, 23595, 23790, 26169, 29524, 31460, 33550, 34892, 36300, 36905, 39325, 39650, 40260, 42900, 43615, 44286, 47190, 47580, 50325, 52338, 59475, 67100, 73810, 78650, 79300, 87230, 88572, 94380, 95953, 100650, 104676, 110715, 117975, 118950, 130845, 147620, 157300, 174460, 184525, 191906, 201300, 218075, 221430, 235950, 237900, 261690, 287859, 369050, 383812, 436150, 442860, 471900, 479765, 523380, 553575, 575718, 654225, 738100, 872300, 959530, 1107150, 1151436, 1308450, 1439295, 1919060, 2214300, 2398825, 2616900, 2878590, 4797650, 5757180, 7196475, 9595300, 14392950, 28785900]

約数ペア:

[(1, 28785900), (2, 14392950), (3, 9595300), (4, 7196475), (5, 5757180), (6, 4797650), (10, 2878590), (11, 2616900), (12, 2398825), (13, 2214300), (15, 1919060), (20, 1439295), (22, 1308450), (25, 1151436), (26, 1107150), (30, 959530), (33, 872300), (39, 738100), (44, 654225), (50, 575718), (52, 553575), (55, 523380), (60, 479765), (61, 471900), (65, 442860), (66, 436150), (75, 383812), (78, 369050), (100, 287859), (110, 261690), (121, 237900), (122, 235950), (130, 221430), (132, 218075), (143, 201300), (150, 191906), (156, 184525), (165, 174460), (183, 157300), (195, 147620), (220, 130845), (242, 118950), (244, 117975), (260, 110715), (275, 104676), (286, 100650), (300, 95953), (305, 94380), (325, 88572), (330, 87230), (363, 79300), (366, 78650), (390, 73810), (429, 67100), (484, 59475), (550, 52338), (572, 50325), (605, 47580), (610, 47190), (650, 44286), (660, 43615), (671, 42900), (715, 40260), (726, 39650), (732, 39325), (780, 36905), (793, 36300), (825, 34892), (858, 33550), (915, 31460), (975, 29524), (1100, 26169), (1210, 23790), (1220, 23595), (1300, 22143), (1342, 21450), (1430, 20130), (1452, 19825), (1525, 18876), (1573, 18300), (1586, 18150), (1650, 17446), (1716, 16775), (1815, 15860), (1830, 15730), (1950, 14762), (2013, 14300), (2145, 13420), (2379, 12100), (2420, 11895), (2684, 10725), (2860, 10065), (3025, 9516), (3050, 9438), (3146, 9150), (3172, 9075), (3300, 8723), (3355, 8580), (3575, 8052), (3630, 7930), (3660, 7865), (3900, 7381), (3965, 7260), (4026, 7150), (4290, 6710), (4575, 6292), (4719, 6100), (4758, 6050)]