90791500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^2\times {\mathrm{503}}^1$

素因数の和:560

約数の個数: 72

約数和(自身を含む): 209690208

約数和(自身を除く): 118898708

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 361, 380, 475, 500, 503, 722, 950, 1006, 1444, 1805, 1900, 2012, 2375, 2515, 3610, 4750, 5030, 7220, 9025, 9500, 9557, 10060, 12575, 18050, 19114, 25150, 36100, 38228, 45125, 47785, 50300, 62875, 90250, 95570, 125750, 180500, 181583, 191140, 238925, 251500, 363166, 477850, 726332, 907915, 955700, 1194625, 1815830, 2389250, 3631660, 4539575, 4778500, 9079150, 18158300, 22697875, 45395750, 90791500]

約数ペア:

[(1, 90791500), (2, 45395750), (4, 22697875), (5, 18158300), (10, 9079150), (19, 4778500), (20, 4539575), (25, 3631660), (38, 2389250), (50, 1815830), (76, 1194625), (95, 955700), (100, 907915), (125, 726332), (190, 477850), (250, 363166), (361, 251500), (380, 238925), (475, 191140), (500, 181583), (503, 180500), (722, 125750), (950, 95570), (1006, 90250), (1444, 62875), (1805, 50300), (1900, 47785), (2012, 45125), (2375, 38228), (2515, 36100), (3610, 25150), (4750, 19114), (5030, 18050), (7220, 12575), (9025, 10060), (9500, 9557)]