1999270260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{4337}}^1$

素因数の和:4562

約数の個数: 144

約数和(自身を含む): 6565615056

約数和(自身を除く): 4566344796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 197, 234, 260, 390, 394, 468, 585, 591, 780, 788, 985, 1170, 1182, 1773, 1970, 2340, 2364, 2561, 2955, 3546, 3940, 4337, 5122, 5910, 7092, 7683, 8674, 8865, 10244, 11820, 12805, 13011, 15366, 17348, 17730, 21685, 23049, 25610, 26022, 30732, 35460, 38415, 39033, 43370, 46098, 51220, 52044, 56381, 65055, 76830, 78066, 86740, 92196, 112762, 115245, 130110, 153660, 156132, 169143, 195165, 225524, 230490, 260220, 281905, 338286, 390330, 460980, 507429, 563810, 676572, 780660, 845715, 854389, 1014858, 1127620, 1691430, 1708778, 2029716, 2537145, 2563167, 3382860, 3417556, 4271945, 5074290, 5126334, 7689501, 8543890, 10148580, 10252668, 11107057, 12815835, 15379002, 17087780, 22214114, 25631670, 30758004, 33321171, 38447505, 44428228, 51263340, 55535285, 66642342, 76895010, 99963513, 111070570, 133284684, 153790020, 166605855, 199927026, 222141140, 333211710, 399854052, 499817565, 666423420, 999635130, 1999270260]

約数ペア:

[(1, 1999270260), (2, 999635130), (3, 666423420), (4, 499817565), (5, 399854052), (6, 333211710), (9, 222141140), (10, 199927026), (12, 166605855), (13, 153790020), (15, 133284684), (18, 111070570), (20, 99963513), (26, 76895010), (30, 66642342), (36, 55535285), (39, 51263340), (45, 44428228), (52, 38447505), (60, 33321171), (65, 30758004), (78, 25631670), (90, 22214114), (117, 17087780), (130, 15379002), (156, 12815835), (180, 11107057), (195, 10252668), (197, 10148580), (234, 8543890), (260, 7689501), (390, 5126334), (394, 5074290), (468, 4271945), (585, 3417556), (591, 3382860), (780, 2563167), (788, 2537145), (985, 2029716), (1170, 1708778), (1182, 1691430), (1773, 1127620), (1970, 1014858), (2340, 854389), (2364, 845715), (2561, 780660), (2955, 676572), (3546, 563810), (3940, 507429), (4337, 460980), (5122, 390330), (5910, 338286), (7092, 281905), (7683, 260220), (8674, 230490), (8865, 225524), (10244, 195165), (11820, 169143), (12805, 156132), (13011, 153660), (15366, 130110), (17348, 115245), (17730, 112762), (21685, 92196), (23049, 86740), (25610, 78066), (26022, 76830), (30732, 65055), (35460, 56381), (38415, 52044), (39033, 51220), (43370, 46098)]