717378620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{757}}^1\times {\mathrm{967}}^1$

素因数の和:1747

約数の個数: 72

約数和(自身を含む): 1756583136

約数和(自身を除く): 1039204516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 757, 967, 980, 1514, 1934, 3028, 3785, 3868, 4835, 5299, 6769, 7570, 9670, 10598, 13538, 15140, 19340, 21196, 26495, 27076, 33845, 37093, 47383, 52990, 67690, 74186, 94766, 105980, 135380, 148372, 185465, 189532, 236915, 370930, 473830, 732019, 741860, 947660, 1464038, 2928076, 3660095, 5124133, 7320190, 10248266, 14640380, 20496532, 25620665, 35868931, 51241330, 71737862, 102482660, 143475724, 179344655, 358689310, 717378620]

約数ペア:

[(1, 717378620), (2, 358689310), (4, 179344655), (5, 143475724), (7, 102482660), (10, 71737862), (14, 51241330), (20, 35868931), (28, 25620665), (35, 20496532), (49, 14640380), (70, 10248266), (98, 7320190), (140, 5124133), (196, 3660095), (245, 2928076), (490, 1464038), (757, 947660), (967, 741860), (980, 732019), (1514, 473830), (1934, 370930), (3028, 236915), (3785, 189532), (3868, 185465), (4835, 148372), (5299, 135380), (6769, 105980), (7570, 94766), (9670, 74186), (10598, 67690), (13538, 52990), (15140, 47383), (19340, 37093), (21196, 33845), (26495, 27076)]