71719700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1283}}^1$

素因数の和:1353

約数の個数: 72

約数和(自身を含む): 171634848

約数和(自身を除く): 99915148

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 43, 50, 52, 65, 86, 100, 130, 172, 215, 260, 325, 430, 559, 650, 860, 1075, 1118, 1283, 1300, 2150, 2236, 2566, 2795, 4300, 5132, 5590, 6415, 11180, 12830, 13975, 16679, 25660, 27950, 32075, 33358, 55169, 55900, 64150, 66716, 83395, 110338, 128300, 166790, 220676, 275845, 333580, 416975, 551690, 717197, 833950, 1103380, 1379225, 1434394, 1667900, 2758450, 2868788, 3585985, 5516900, 7171970, 14343940, 17929925, 35859850, 71719700]

約数ペア:

[(1, 71719700), (2, 35859850), (4, 17929925), (5, 14343940), (10, 7171970), (13, 5516900), (20, 3585985), (25, 2868788), (26, 2758450), (43, 1667900), (50, 1434394), (52, 1379225), (65, 1103380), (86, 833950), (100, 717197), (130, 551690), (172, 416975), (215, 333580), (260, 275845), (325, 220676), (430, 166790), (559, 128300), (650, 110338), (860, 83395), (1075, 66716), (1118, 64150), (1283, 55900), (1300, 55169), (2150, 33358), (2236, 32075), (2566, 27950), (2795, 25660), (4300, 16679), (5132, 13975), (5590, 12830), (6415, 11180)]