8305360940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{643}}^1\times {\mathrm{1789}}^1$

素因数の和:2479

約数の個数: 72

約数和(自身を含む): 18446465520

約数和(自身を除く): 10141104580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 643, 722, 1286, 1444, 1789, 1805, 2572, 3215, 3578, 3610, 6430, 7156, 7220, 8945, 12217, 12860, 17890, 24434, 33991, 35780, 48868, 61085, 67982, 122170, 135964, 169955, 232123, 244340, 339910, 464246, 645829, 679820, 928492, 1150327, 1160615, 1291658, 2300654, 2321230, 2583316, 3229145, 4601308, 4642460, 5751635, 6458290, 11503270, 12916580, 21856213, 23006540, 43712426, 87424852, 109281065, 218562130, 415268047, 437124260, 830536094, 1661072188, 2076340235, 4152680470, 8305360940]

約数ペア:

[(1, 8305360940), (2, 4152680470), (4, 2076340235), (5, 1661072188), (10, 830536094), (19, 437124260), (20, 415268047), (38, 218562130), (76, 109281065), (95, 87424852), (190, 43712426), (361, 23006540), (380, 21856213), (643, 12916580), (722, 11503270), (1286, 6458290), (1444, 5751635), (1789, 4642460), (1805, 4601308), (2572, 3229145), (3215, 2583316), (3578, 2321230), (3610, 2300654), (6430, 1291658), (7156, 1160615), (7220, 1150327), (8945, 928492), (12217, 679820), (12860, 645829), (17890, 464246), (24434, 339910), (33991, 244340), (35780, 232123), (48868, 169955), (61085, 135964), (67982, 122170)]