28778100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:234

約数の個数: 144

約数和(自身を含む): 92160768

約数和(自身を除く): 63382668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 47, 50, 52, 60, 65, 75, 78, 94, 100, 130, 141, 150, 156, 157, 188, 195, 235, 260, 282, 300, 314, 325, 390, 470, 471, 564, 611, 628, 650, 705, 780, 785, 940, 942, 975, 1175, 1222, 1300, 1410, 1570, 1833, 1884, 1950, 2041, 2350, 2355, 2444, 2820, 3055, 3140, 3525, 3666, 3900, 3925, 4082, 4700, 4710, 6110, 6123, 7050, 7332, 7379, 7850, 8164, 9165, 9420, 10205, 11775, 12220, 12246, 14100, 14758, 15275, 15700, 18330, 20410, 22137, 23550, 24492, 29516, 30550, 30615, 36660, 36895, 40820, 44274, 45825, 47100, 51025, 61100, 61230, 73790, 88548, 91650, 95927, 102050, 110685, 122460, 147580, 153075, 183300, 184475, 191854, 204100, 221370, 287781, 306150, 368950, 383708, 442740, 479635, 553425, 575562, 612300, 737900, 959270, 1106850, 1151124, 1438905, 1918540, 2213700, 2398175, 2877810, 4796350, 5755620, 7194525, 9592700, 14389050, 28778100]

約数ペア:

[(1, 28778100), (2, 14389050), (3, 9592700), (4, 7194525), (5, 5755620), (6, 4796350), (10, 2877810), (12, 2398175), (13, 2213700), (15, 1918540), (20, 1438905), (25, 1151124), (26, 1106850), (30, 959270), (39, 737900), (47, 612300), (50, 575562), (52, 553425), (60, 479635), (65, 442740), (75, 383708), (78, 368950), (94, 306150), (100, 287781), (130, 221370), (141, 204100), (150, 191854), (156, 184475), (157, 183300), (188, 153075), (195, 147580), (235, 122460), (260, 110685), (282, 102050), (300, 95927), (314, 91650), (325, 88548), (390, 73790), (470, 61230), (471, 61100), (564, 51025), (611, 47100), (628, 45825), (650, 44274), (705, 40820), (780, 36895), (785, 36660), (940, 30615), (942, 30550), (975, 29516), (1175, 24492), (1222, 23550), (1300, 22137), (1410, 20410), (1570, 18330), (1833, 15700), (1884, 15275), (1950, 14758), (2041, 14100), (2350, 12246), (2355, 12220), (2444, 11775), (2820, 10205), (3055, 9420), (3140, 9165), (3525, 8164), (3666, 7850), (3900, 7379), (3925, 7332), (4082, 7050), (4700, 6123), (4710, 6110)]