71788460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:271

約数の個数: 72

約数和(自身を含む): 162708336

約数和(自身を除く): 90919876

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 163, 190, 244, 305, 326, 361, 380, 610, 652, 722, 815, 1159, 1220, 1444, 1630, 1805, 2318, 3097, 3260, 3610, 4636, 5795, 6194, 7220, 9943, 11590, 12388, 15485, 19886, 22021, 23180, 30970, 39772, 44042, 49715, 58843, 61940, 88084, 99430, 110105, 117686, 188917, 198860, 220210, 235372, 294215, 377834, 440420, 588430, 755668, 944585, 1176860, 1889170, 3589423, 3778340, 7178846, 14357692, 17947115, 35894230, 71788460]

約数ペア:

[(1, 71788460), (2, 35894230), (4, 17947115), (5, 14357692), (10, 7178846), (19, 3778340), (20, 3589423), (38, 1889170), (61, 1176860), (76, 944585), (95, 755668), (122, 588430), (163, 440420), (190, 377834), (244, 294215), (305, 235372), (326, 220210), (361, 198860), (380, 188917), (610, 117686), (652, 110105), (722, 99430), (815, 88084), (1159, 61940), (1220, 58843), (1444, 49715), (1630, 44042), (1805, 39772), (2318, 30970), (3097, 23180), (3260, 22021), (3610, 19886), (4636, 15485), (5795, 12388), (6194, 11590), (7220, 9943)]