407979780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{27529}}^1$

素因数の和:27573

約数の個数: 96

約数和(自身を含む): 1295011200

約数和(自身を除く): 887031420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 190, 195, 228, 247, 260, 285, 380, 390, 494, 570, 741, 780, 988, 1140, 1235, 1482, 2470, 2964, 3705, 4940, 7410, 14820, 27529, 55058, 82587, 110116, 137645, 165174, 275290, 330348, 357877, 412935, 523051, 550580, 715754, 825870, 1046102, 1073631, 1431508, 1569153, 1651740, 1789385, 2092204, 2147262, 2615255, 3138306, 3578770, 4294524, 5230510, 5368155, 6276612, 6799663, 7157540, 7845765, 10461020, 10736310, 13599326, 15691530, 20398989, 21472620, 27198652, 31383060, 33998315, 40797978, 67996630, 81595956, 101994945, 135993260, 203989890, 407979780]

約数ペア:

[(1, 407979780), (2, 203989890), (3, 135993260), (4, 101994945), (5, 81595956), (6, 67996630), (10, 40797978), (12, 33998315), (13, 31383060), (15, 27198652), (19, 21472620), (20, 20398989), (26, 15691530), (30, 13599326), (38, 10736310), (39, 10461020), (52, 7845765), (57, 7157540), (60, 6799663), (65, 6276612), (76, 5368155), (78, 5230510), (95, 4294524), (114, 3578770), (130, 3138306), (156, 2615255), (190, 2147262), (195, 2092204), (228, 1789385), (247, 1651740), (260, 1569153), (285, 1431508), (380, 1073631), (390, 1046102), (494, 825870), (570, 715754), (741, 550580), (780, 523051), (988, 412935), (1140, 357877), (1235, 330348), (1482, 275290), (2470, 165174), (2964, 137645), (3705, 110116), (4940, 82587), (7410, 55058), (14820, 27529)]