2221731540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{251897}}^1$

素因数の和:251926

約数の個数: 108

約数和(自身を含む): 7839569556

約数和(自身を除く): 5617838016

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 251897, 503794, 755691, 1007588, 1259485, 1511382, 1763279, 2267073, 2518970, 3022764, 3526558, 3778455, 4534146, 5037940, 5289837, 7053116, 7556910, 8816395, 9068292, 10579674, 11335365, 12342953, 15113820, 15869511, 17632790, 21159348, 22670730, 24685906, 26449185, 31739022, 35265580, 37028859, 45341460, 49371812, 52898370, 61714765, 63478044, 74057718, 79347555, 105796740, 111086577, 123429530, 148115436, 158695110, 185144295, 222173154, 246859060, 317390220, 370288590, 444346308, 555432885, 740577180, 1110865770, 2221731540]

約数ペア:

[(1, 2221731540), (2, 1110865770), (3, 740577180), (4, 555432885), (5, 444346308), (6, 370288590), (7, 317390220), (9, 246859060), (10, 222173154), (12, 185144295), (14, 158695110), (15, 148115436), (18, 123429530), (20, 111086577), (21, 105796740), (28, 79347555), (30, 74057718), (35, 63478044), (36, 61714765), (42, 52898370), (45, 49371812), (49, 45341460), (60, 37028859), (63, 35265580), (70, 31739022), (84, 26449185), (90, 24685906), (98, 22670730), (105, 21159348), (126, 17632790), (140, 15869511), (147, 15113820), (180, 12342953), (196, 11335365), (210, 10579674), (245, 9068292), (252, 8816395), (294, 7556910), (315, 7053116), (420, 5289837), (441, 5037940), (490, 4534146), (588, 3778455), (630, 3526558), (735, 3022764), (882, 2518970), (980, 2267073), (1260, 1763279), (1470, 1511382), (1764, 1259485), (2205, 1007588), (2940, 755691), (4410, 503794), (8820, 251897)]