90949880

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{947}}^1$

素因数の和:986

約数の個数: 80

約数和(自身を含む): 238981320

約数和(自身を除く): 148031440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 947, 980, 1372, 1715, 1894, 1960, 2401, 2744, 3430, 3788, 4735, 4802, 6629, 6860, 7576, 9470, 9604, 12005, 13258, 13720, 18940, 19208, 24010, 26516, 33145, 37880, 46403, 48020, 53032, 66290, 92806, 96040, 132580, 185612, 232015, 265160, 324821, 371224, 464030, 649642, 928060, 1299284, 1624105, 1856120, 2273747, 2598568, 3248210, 4547494, 6496420, 9094988, 11368735, 12992840, 18189976, 22737470, 45474940, 90949880]

約数ペア:

[(1, 90949880), (2, 45474940), (4, 22737470), (5, 18189976), (7, 12992840), (8, 11368735), (10, 9094988), (14, 6496420), (20, 4547494), (28, 3248210), (35, 2598568), (40, 2273747), (49, 1856120), (56, 1624105), (70, 1299284), (98, 928060), (140, 649642), (196, 464030), (245, 371224), (280, 324821), (343, 265160), (392, 232015), (490, 185612), (686, 132580), (947, 96040), (980, 92806), (1372, 66290), (1715, 53032), (1894, 48020), (1960, 46403), (2401, 37880), (2744, 33145), (3430, 26516), (3788, 24010), (4735, 19208), (4802, 18940), (6629, 13720), (6860, 13258), (7576, 12005), (9470, 9604)]