1811413655380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{677}}^1\times {\mathrm{30677}}^1$

素因数の和:31466

約数の個数: 144

約数和(自身を含む): 4481499914640

約数和(自身を除く): 2670086259260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 140, 178, 196, 245, 356, 445, 490, 623, 677, 890, 980, 1246, 1354, 1780, 2492, 2708, 3115, 3385, 4361, 4739, 6230, 6770, 8722, 9478, 12460, 13540, 17444, 18956, 21805, 23695, 30677, 33173, 43610, 47390, 60253, 61354, 66346, 87220, 94780, 120506, 122708, 132692, 153385, 165865, 214739, 241012, 301265, 306770, 331730, 421771, 429478, 602530, 613540, 663460, 843542, 858956, 1073695, 1205060, 1503173, 1687084, 2108855, 2147390, 2730253, 2952397, 3006346, 4217710, 4294780, 5460506, 5904794, 6012692, 7515865, 8435420, 10921012, 11809588, 13651265, 14761985, 15031730, 19111771, 20768329, 27302530, 29523970, 30063460, 38223542, 41536658, 54605060, 59047940, 76447084, 83073316, 95558855, 103841645, 133782397, 145378303, 191117710, 207683290, 267564794, 290756606, 382235420, 415366580, 535129588, 581513212, 668911985, 726891515, 1017648121, 1337823970, 1453783030, 1848381281, 2035296242, 2675647940, 2907566060, 3696762562, 4070592484, 5088240605, 7393525124, 9241906405, 10176481210, 12938668967, 18483812810, 20352962420, 25877337934, 36967625620, 51754675868, 64693344835, 90570682769, 129386689670, 181141365538, 258773379340, 362282731076, 452853413845, 905706827690, 1811413655380]

約数ペア:

[(1, 1811413655380), (2, 905706827690), (4, 452853413845), (5, 362282731076), (7, 258773379340), (10, 181141365538), (14, 129386689670), (20, 90570682769), (28, 64693344835), (35, 51754675868), (49, 36967625620), (70, 25877337934), (89, 20352962420), (98, 18483812810), (140, 12938668967), (178, 10176481210), (196, 9241906405), (245, 7393525124), (356, 5088240605), (445, 4070592484), (490, 3696762562), (623, 2907566060), (677, 2675647940), (890, 2035296242), (980, 1848381281), (1246, 1453783030), (1354, 1337823970), (1780, 1017648121), (2492, 726891515), (2708, 668911985), (3115, 581513212), (3385, 535129588), (4361, 415366580), (4739, 382235420), (6230, 290756606), (6770, 267564794), (8722, 207683290), (9478, 191117710), (12460, 145378303), (13540, 133782397), (17444, 103841645), (18956, 95558855), (21805, 83073316), (23695, 76447084), (30677, 59047940), (33173, 54605060), (43610, 41536658), (47390, 38223542), (60253, 30063460), (61354, 29523970), (66346, 27302530), (87220, 20768329), (94780, 19111771), (120506, 15031730), (122708, 14761985), (132692, 13651265), (153385, 11809588), (165865, 10921012), (214739, 8435420), (241012, 7515865), (301265, 6012692), (306770, 5904794), (331730, 5460506), (421771, 4294780), (429478, 4217710), (602530, 3006346), (613540, 2952397), (663460, 2730253), (843542, 2147390), (858956, 2108855), (1073695, 1687084), (1205060, 1503173)]