196229680

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:662

約数の個数: 80

約数和(自身を含む): 470505600

約数和(自身を除く): 274275920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 79, 80, 122, 158, 244, 305, 316, 395, 488, 509, 610, 632, 790, 976, 1018, 1220, 1264, 1580, 2036, 2440, 2545, 3160, 4072, 4819, 4880, 5090, 6320, 8144, 9638, 10180, 19276, 20360, 24095, 31049, 38552, 40211, 40720, 48190, 62098, 77104, 80422, 96380, 124196, 155245, 160844, 192760, 201055, 248392, 310490, 321688, 385520, 402110, 496784, 620980, 643376, 804220, 1241960, 1608440, 2452871, 2483920, 3216880, 4905742, 9811484, 12264355, 19622968, 24528710, 39245936, 49057420, 98114840, 196229680]

約数ペア:

[(1, 196229680), (2, 98114840), (4, 49057420), (5, 39245936), (8, 24528710), (10, 19622968), (16, 12264355), (20, 9811484), (40, 4905742), (61, 3216880), (79, 2483920), (80, 2452871), (122, 1608440), (158, 1241960), (244, 804220), (305, 643376), (316, 620980), (395, 496784), (488, 402110), (509, 385520), (610, 321688), (632, 310490), (790, 248392), (976, 201055), (1018, 192760), (1220, 160844), (1264, 155245), (1580, 124196), (2036, 96380), (2440, 80422), (2545, 77104), (3160, 62098), (4072, 48190), (4819, 40720), (4880, 40211), (5090, 38552), (6320, 31049), (8144, 24095), (9638, 20360), (10180, 19276)]