90295600

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^2$

素因数の和:255

約数の個数: 90

約数和(自身を含む): 230467020

約数和(自身を除く): 140171420

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 109, 152, 190, 200, 218, 304, 380, 400, 436, 475, 545, 760, 872, 950, 1090, 1520, 1744, 1900, 2071, 2180, 2725, 3800, 4142, 4360, 5450, 7600, 8284, 8720, 10355, 10900, 11881, 16568, 20710, 21800, 23762, 33136, 41420, 43600, 47524, 51775, 59405, 82840, 95048, 103550, 118810, 165680, 190096, 207100, 225739, 237620, 297025, 414200, 451478, 475240, 594050, 828400, 902956, 950480, 1128695, 1188100, 1805912, 2257390, 2376200, 3611824, 4514780, 4752400, 5643475, 9029560, 11286950, 18059120, 22573900, 45147800, 90295600]

約数ペア:

[(1, 90295600), (2, 45147800), (4, 22573900), (5, 18059120), (8, 11286950), (10, 9029560), (16, 5643475), (19, 4752400), (20, 4514780), (25, 3611824), (38, 2376200), (40, 2257390), (50, 1805912), (76, 1188100), (80, 1128695), (95, 950480), (100, 902956), (109, 828400), (152, 594050), (190, 475240), (200, 451478), (218, 414200), (304, 297025), (380, 237620), (400, 225739), (436, 207100), (475, 190096), (545, 165680), (760, 118810), (872, 103550), (950, 95048), (1090, 82840), (1520, 59405), (1744, 51775), (1900, 47524), (2071, 43600), (2180, 41420), (2725, 33136), (3800, 23762), (4142, 21800), (4360, 20710), (5450, 16568), (7600, 11881), (8284, 10900), (8720, 10355)]