219328720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6803}}^1$

素因数の和:6860

約数の個数: 80

約数和(自身を含む): 566963712

約数和(自身を除く): 347634992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 6803, 8060, 13606, 16120, 27212, 32240, 34015, 54424, 68030, 88439, 108848, 136060, 176878, 210893, 272120, 353756, 421786, 442195, 544240, 707512, 843572, 884390, 1054465, 1415024, 1687144, 1768780, 2108930, 2741609, 3374288, 3537560, 4217860, 5483218, 7075120, 8435720, 10966436, 13708045, 16871440, 21932872, 27416090, 43865744, 54832180, 109664360, 219328720]

約数ペア:

[(1, 219328720), (2, 109664360), (4, 54832180), (5, 43865744), (8, 27416090), (10, 21932872), (13, 16871440), (16, 13708045), (20, 10966436), (26, 8435720), (31, 7075120), (40, 5483218), (52, 4217860), (62, 3537560), (65, 3374288), (80, 2741609), (104, 2108930), (124, 1768780), (130, 1687144), (155, 1415024), (208, 1054465), (248, 884390), (260, 843572), (310, 707512), (403, 544240), (496, 442195), (520, 421786), (620, 353756), (806, 272120), (1040, 210893), (1240, 176878), (1612, 136060), (2015, 108848), (2480, 88439), (3224, 68030), (4030, 54424), (6448, 34015), (6803, 32240), (8060, 27212), (13606, 16120)]