73685220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:450

約数の個数: 144

約数和(自身を含む): 244073088

約数和(自身を除く): 170387868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 71, 84, 98, 105, 140, 142, 147, 196, 210, 213, 245, 284, 294, 353, 355, 420, 426, 490, 497, 588, 706, 710, 735, 852, 980, 994, 1059, 1065, 1412, 1420, 1470, 1491, 1765, 1988, 2118, 2130, 2471, 2485, 2940, 2982, 3479, 3530, 4236, 4260, 4942, 4970, 5295, 5964, 6958, 7060, 7413, 7455, 9884, 9940, 10437, 10590, 12355, 13916, 14826, 14910, 17297, 17395, 20874, 21180, 24710, 25063, 29652, 29820, 34594, 34790, 37065, 41748, 49420, 50126, 51891, 52185, 69188, 69580, 74130, 75189, 86485, 100252, 103782, 104370, 125315, 148260, 150378, 172970, 175441, 207564, 208740, 250630, 259455, 300756, 345940, 350882, 375945, 501260, 518910, 526323, 701764, 751890, 877205, 1037820, 1052646, 1228087, 1503780, 1754410, 2105292, 2456174, 2631615, 3508820, 3684261, 4912348, 5263230, 6140435, 7368522, 10526460, 12280870, 14737044, 18421305, 24561740, 36842610, 73685220]

約数ペア:

[(1, 73685220), (2, 36842610), (3, 24561740), (4, 18421305), (5, 14737044), (6, 12280870), (7, 10526460), (10, 7368522), (12, 6140435), (14, 5263230), (15, 4912348), (20, 3684261), (21, 3508820), (28, 2631615), (30, 2456174), (35, 2105292), (42, 1754410), (49, 1503780), (60, 1228087), (70, 1052646), (71, 1037820), (84, 877205), (98, 751890), (105, 701764), (140, 526323), (142, 518910), (147, 501260), (196, 375945), (210, 350882), (213, 345940), (245, 300756), (284, 259455), (294, 250630), (353, 208740), (355, 207564), (420, 175441), (426, 172970), (490, 150378), (497, 148260), (588, 125315), (706, 104370), (710, 103782), (735, 100252), (852, 86485), (980, 75189), (994, 74130), (1059, 69580), (1065, 69188), (1412, 52185), (1420, 51891), (1470, 50126), (1491, 49420), (1765, 41748), (1988, 37065), (2118, 34790), (2130, 34594), (2471, 29820), (2485, 29652), (2940, 25063), (2982, 24710), (3479, 21180), (3530, 20874), (4236, 17395), (4260, 17297), (4942, 14910), (4970, 14826), (5295, 13916), (5964, 12355), (6958, 10590), (7060, 10437), (7413, 9940), (7455, 9884)]