221146880

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10163}}^1$

素因数の和:10201

約数の個数: 72

約数和(自身を含む): 560930832

約数和(自身を除く): 339783952

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 4352, 5440, 10163, 10880, 20326, 21760, 40652, 50815, 81304, 101630, 162608, 172771, 203260, 325216, 345542, 406520, 650432, 691084, 813040, 863855, 1300864, 1382168, 1626080, 1727710, 2601728, 2764336, 3252160, 3455420, 5528672, 6504320, 6910840, 11057344, 13008640, 13821680, 22114688, 27643360, 44229376, 55286720, 110573440, 221146880]

約数ペア:

[(1, 221146880), (2, 110573440), (4, 55286720), (5, 44229376), (8, 27643360), (10, 22114688), (16, 13821680), (17, 13008640), (20, 11057344), (32, 6910840), (34, 6504320), (40, 5528672), (64, 3455420), (68, 3252160), (80, 2764336), (85, 2601728), (128, 1727710), (136, 1626080), (160, 1382168), (170, 1300864), (256, 863855), (272, 813040), (320, 691084), (340, 650432), (544, 406520), (640, 345542), (680, 325216), (1088, 203260), (1280, 172771), (1360, 162608), (2176, 101630), (2720, 81304), (4352, 50815), (5440, 40652), (10163, 21760), (10880, 20326)]