78849620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:277

約数の個数: 72

約数和(自身を含む): 178454304

約数和(自身を除く): 99604684

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 134, 163, 190, 268, 326, 335, 361, 380, 652, 670, 722, 815, 1273, 1340, 1444, 1630, 1805, 2546, 3097, 3260, 3610, 5092, 6194, 6365, 7220, 10921, 12388, 12730, 15485, 21842, 24187, 25460, 30970, 43684, 48374, 54605, 58843, 61940, 96748, 109210, 117686, 120935, 207499, 218420, 235372, 241870, 294215, 414998, 483740, 588430, 829996, 1037495, 1176860, 2074990, 3942481, 4149980, 7884962, 15769924, 19712405, 39424810, 78849620]

約数ペア:

[(1, 78849620), (2, 39424810), (4, 19712405), (5, 15769924), (10, 7884962), (19, 4149980), (20, 3942481), (38, 2074990), (67, 1176860), (76, 1037495), (95, 829996), (134, 588430), (163, 483740), (190, 414998), (268, 294215), (326, 241870), (335, 235372), (361, 218420), (380, 207499), (652, 120935), (670, 117686), (722, 109210), (815, 96748), (1273, 61940), (1340, 58843), (1444, 54605), (1630, 48374), (1805, 43684), (2546, 30970), (3097, 25460), (3260, 24187), (3610, 21842), (5092, 15485), (6194, 12730), (6365, 12388), (7220, 10921)]