389007280

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{3989}}^1$

素因数の和:4078

約数の個数: 80

約数和(自身を含む): 961813440

約数和(自身を除く): 572806160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 53, 80, 92, 106, 115, 184, 212, 230, 265, 368, 424, 460, 530, 848, 920, 1060, 1219, 1840, 2120, 2438, 3989, 4240, 4876, 6095, 7978, 9752, 12190, 15956, 19504, 19945, 24380, 31912, 39890, 48760, 63824, 79780, 91747, 97520, 159560, 183494, 211417, 319120, 366988, 422834, 458735, 733976, 845668, 917470, 1057085, 1467952, 1691336, 1834940, 2114170, 3382672, 3669880, 4228340, 4862591, 7339760, 8456680, 9725182, 16913360, 19450364, 24312955, 38900728, 48625910, 77801456, 97251820, 194503640, 389007280]

約数ペア:

[(1, 389007280), (2, 194503640), (4, 97251820), (5, 77801456), (8, 48625910), (10, 38900728), (16, 24312955), (20, 19450364), (23, 16913360), (40, 9725182), (46, 8456680), (53, 7339760), (80, 4862591), (92, 4228340), (106, 3669880), (115, 3382672), (184, 2114170), (212, 1834940), (230, 1691336), (265, 1467952), (368, 1057085), (424, 917470), (460, 845668), (530, 733976), (848, 458735), (920, 422834), (1060, 366988), (1219, 319120), (1840, 211417), (2120, 183494), (2438, 159560), (3989, 97520), (4240, 91747), (4876, 79780), (6095, 63824), (7978, 48760), (9752, 39890), (12190, 31912), (15956, 24380), (19504, 19945)]