89744980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:569

約数の個数: 96

約数和(自身を含む): 219864960

約数和(自身を除く): 130119980

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 37, 38, 52, 65, 74, 76, 95, 130, 148, 185, 190, 247, 260, 370, 380, 481, 491, 494, 703, 740, 962, 982, 988, 1235, 1406, 1924, 1964, 2405, 2455, 2470, 2812, 3515, 4810, 4910, 4940, 6383, 7030, 9139, 9329, 9620, 9820, 12766, 14060, 18167, 18278, 18658, 25532, 31915, 36334, 36556, 37316, 45695, 46645, 63830, 72668, 90835, 91390, 93290, 121277, 127660, 181670, 182780, 186580, 236171, 242554, 345173, 363340, 472342, 485108, 606385, 690346, 944684, 1180855, 1212770, 1380692, 1725865, 2361710, 2425540, 3451730, 4487249, 4723420, 6903460, 8974498, 17948996, 22436245, 44872490, 89744980]

約数ペア:

[(1, 89744980), (2, 44872490), (4, 22436245), (5, 17948996), (10, 8974498), (13, 6903460), (19, 4723420), (20, 4487249), (26, 3451730), (37, 2425540), (38, 2361710), (52, 1725865), (65, 1380692), (74, 1212770), (76, 1180855), (95, 944684), (130, 690346), (148, 606385), (185, 485108), (190, 472342), (247, 363340), (260, 345173), (370, 242554), (380, 236171), (481, 186580), (491, 182780), (494, 181670), (703, 127660), (740, 121277), (962, 93290), (982, 91390), (988, 90835), (1235, 72668), (1406, 63830), (1924, 46645), (1964, 45695), (2405, 37316), (2455, 36556), (2470, 36334), (2812, 31915), (3515, 25532), (4810, 18658), (4910, 18278), (4940, 18167), (6383, 14060), (7030, 12766), (9139, 9820), (9329, 9620)]