805682020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:350

約数の個数: 192

約数和(自身を含む): 2142878976

約数和(自身を除く): 1337196956

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 20, 22, 26, 34, 44, 52, 55, 65, 68, 73, 85, 110, 130, 143, 146, 170, 187, 220, 221, 227, 260, 286, 292, 340, 365, 374, 442, 454, 572, 715, 730, 748, 803, 884, 908, 935, 949, 1105, 1135, 1241, 1430, 1460, 1606, 1870, 1898, 2210, 2270, 2431, 2482, 2497, 2860, 2951, 3212, 3740, 3796, 3859, 4015, 4420, 4540, 4745, 4862, 4964, 4994, 5902, 6205, 7718, 8030, 9490, 9724, 9988, 10439, 11804, 12155, 12410, 12485, 13651, 14755, 15436, 16060, 16133, 16571, 18980, 19295, 20878, 24310, 24820, 24970, 27302, 29510, 32266, 32461, 33142, 38590, 41756, 42449, 48620, 49940, 50167, 52195, 54604, 59020, 64532, 64922, 66284, 68255, 77180, 80665, 82855, 84898, 100334, 104390, 129844, 136510, 161330, 162305, 165710, 169796, 177463, 182281, 200668, 208780, 212245, 215423, 250835, 273020, 281707, 322660, 324610, 331420, 354926, 364562, 424490, 430846, 501670, 551837, 563414, 649220, 709852, 729124, 848980, 861692, 887315, 911405, 1003340, 1077115, 1103674, 1126828, 1408535, 1774630, 1822810, 2154230, 2207348, 2369653, 2759185, 2817070, 3098777, 3549260, 3645620, 3662191, 4308460, 4739306, 5518370, 5634140, 6197554, 7324382, 9478612, 11036740, 11848265, 12395108, 14648764, 15493885, 18310955, 23696530, 30987770, 36621910, 40284101, 47393060, 61975540, 73243820, 80568202, 161136404, 201420505, 402841010, 805682020]

約数ペア:

[(1, 805682020), (2, 402841010), (4, 201420505), (5, 161136404), (10, 80568202), (11, 73243820), (13, 61975540), (17, 47393060), (20, 40284101), (22, 36621910), (26, 30987770), (34, 23696530), (44, 18310955), (52, 15493885), (55, 14648764), (65, 12395108), (68, 11848265), (73, 11036740), (85, 9478612), (110, 7324382), (130, 6197554), (143, 5634140), (146, 5518370), (170, 4739306), (187, 4308460), (220, 3662191), (221, 3645620), (227, 3549260), (260, 3098777), (286, 2817070), (292, 2759185), (340, 2369653), (365, 2207348), (374, 2154230), (442, 1822810), (454, 1774630), (572, 1408535), (715, 1126828), (730, 1103674), (748, 1077115), (803, 1003340), (884, 911405), (908, 887315), (935, 861692), (949, 848980), (1105, 729124), (1135, 709852), (1241, 649220), (1430, 563414), (1460, 551837), (1606, 501670), (1870, 430846), (1898, 424490), (2210, 364562), (2270, 354926), (2431, 331420), (2482, 324610), (2497, 322660), (2860, 281707), (2951, 273020), (3212, 250835), (3740, 215423), (3796, 212245), (3859, 208780), (4015, 200668), (4420, 182281), (4540, 177463), (4745, 169796), (4862, 165710), (4964, 162305), (4994, 161330), (5902, 136510), (6205, 129844), (7718, 104390), (8030, 100334), (9490, 84898), (9724, 82855), (9988, 80665), (10439, 77180), (11804, 68255), (12155, 66284), (12410, 64922), (12485, 64532), (13651, 59020), (14755, 54604), (15436, 52195), (16060, 50167), (16133, 49940), (16571, 48620), (18980, 42449), (19295, 41756), (20878, 38590), (24310, 33142), (24820, 32461), (24970, 32266), (27302, 29510)]