77698400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:305

約数の個数: 144

約数和(自身を含む): 211736448

約数和(自身を除く): 134038048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 65, 80, 100, 104, 124, 130, 155, 160, 200, 208, 241, 248, 260, 310, 325, 400, 403, 416, 482, 496, 520, 620, 650, 775, 800, 806, 964, 992, 1040, 1205, 1240, 1300, 1550, 1612, 1928, 2015, 2080, 2410, 2480, 2600, 3100, 3133, 3224, 3856, 4030, 4820, 4960, 5200, 6025, 6200, 6266, 6448, 7471, 7712, 8060, 9640, 10075, 10400, 12050, 12400, 12532, 12896, 14942, 15665, 16120, 19280, 20150, 24100, 24800, 25064, 29884, 31330, 32240, 37355, 38560, 40300, 48200, 50128, 59768, 62660, 64480, 74710, 78325, 80600, 96400, 97123, 100256, 119536, 125320, 149420, 156650, 161200, 186775, 192800, 194246, 239072, 250640, 298840, 313300, 322400, 373550, 388492, 485615, 501280, 597680, 626600, 747100, 776984, 971230, 1195360, 1253200, 1494200, 1553968, 1942460, 2428075, 2506400, 2988400, 3107936, 3884920, 4856150, 5976800, 7769840, 9712300, 15539680, 19424600, 38849200, 77698400]

約数ペア:

[(1, 77698400), (2, 38849200), (4, 19424600), (5, 15539680), (8, 9712300), (10, 7769840), (13, 5976800), (16, 4856150), (20, 3884920), (25, 3107936), (26, 2988400), (31, 2506400), (32, 2428075), (40, 1942460), (50, 1553968), (52, 1494200), (62, 1253200), (65, 1195360), (80, 971230), (100, 776984), (104, 747100), (124, 626600), (130, 597680), (155, 501280), (160, 485615), (200, 388492), (208, 373550), (241, 322400), (248, 313300), (260, 298840), (310, 250640), (325, 239072), (400, 194246), (403, 192800), (416, 186775), (482, 161200), (496, 156650), (520, 149420), (620, 125320), (650, 119536), (775, 100256), (800, 97123), (806, 96400), (964, 80600), (992, 78325), (1040, 74710), (1205, 64480), (1240, 62660), (1300, 59768), (1550, 50128), (1612, 48200), (1928, 40300), (2015, 38560), (2080, 37355), (2410, 32240), (2480, 31330), (2600, 29884), (3100, 25064), (3133, 24800), (3224, 24100), (3856, 20150), (4030, 19280), (4820, 16120), (4960, 15665), (5200, 14942), (6025, 12896), (6200, 12532), (6266, 12400), (6448, 12050), (7471, 10400), (7712, 10075), (8060, 9640)]