89993200

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:323

約数の個数: 120

約数和(自身を含む): 239265936

約数和(自身を除く): 149272736

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 113, 176, 181, 200, 220, 226, 275, 362, 400, 440, 452, 550, 565, 724, 880, 904, 905, 1100, 1130, 1243, 1448, 1808, 1810, 1991, 2200, 2260, 2486, 2825, 2896, 3620, 3982, 4400, 4520, 4525, 4972, 5650, 6215, 7240, 7964, 9040, 9050, 9944, 9955, 11300, 12430, 14480, 15928, 18100, 19888, 19910, 20453, 22600, 24860, 31075, 31856, 36200, 39820, 40906, 45200, 49720, 49775, 62150, 72400, 79640, 81812, 99440, 99550, 102265, 124300, 159280, 163624, 199100, 204530, 224983, 248600, 327248, 398200, 409060, 449966, 497200, 511325, 796400, 818120, 899932, 1022650, 1124915, 1636240, 1799864, 2045300, 2249830, 3599728, 4090600, 4499660, 5624575, 8181200, 8999320, 11249150, 17998640, 22498300, 44996600, 89993200]

約数ペア:

[(1, 89993200), (2, 44996600), (4, 22498300), (5, 17998640), (8, 11249150), (10, 8999320), (11, 8181200), (16, 5624575), (20, 4499660), (22, 4090600), (25, 3599728), (40, 2249830), (44, 2045300), (50, 1799864), (55, 1636240), (80, 1124915), (88, 1022650), (100, 899932), (110, 818120), (113, 796400), (176, 511325), (181, 497200), (200, 449966), (220, 409060), (226, 398200), (275, 327248), (362, 248600), (400, 224983), (440, 204530), (452, 199100), (550, 163624), (565, 159280), (724, 124300), (880, 102265), (904, 99550), (905, 99440), (1100, 81812), (1130, 79640), (1243, 72400), (1448, 62150), (1808, 49775), (1810, 49720), (1991, 45200), (2200, 40906), (2260, 39820), (2486, 36200), (2825, 31856), (2896, 31075), (3620, 24860), (3982, 22600), (4400, 20453), (4520, 19910), (4525, 19888), (4972, 18100), (5650, 15928), (6215, 14480), (7240, 12430), (7964, 11300), (9040, 9955), (9050, 9944)]