388492000

素因数分解:

$2^5\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:310

約数の個数: 192

約数和(自身を含む): 1065512448

約数和(自身を除く): 677020448

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, 125, 130, 155, 160, 200, 208, 241, 248, 250, 260, 310, 325, 400, 403, 416, 482, 496, 500, 520, 620, 650, 775, 800, 806, 964, 992, 1000, 1040, 1205, 1240, 1300, 1550, 1612, 1625, 1928, 2000, 2015, 2080, 2410, 2480, 2600, 3100, 3133, 3224, 3250, 3856, 3875, 4000, 4030, 4820, 4960, 5200, 6025, 6200, 6266, 6448, 6500, 7471, 7712, 7750, 8060, 9640, 10075, 10400, 12050, 12400, 12532, 12896, 13000, 14942, 15500, 15665, 16120, 19280, 20150, 24100, 24800, 25064, 26000, 29884, 30125, 31000, 31330, 32240, 37355, 38560, 40300, 48200, 50128, 50375, 52000, 59768, 60250, 62000, 62660, 64480, 74710, 78325, 80600, 96400, 97123, 100256, 100750, 119536, 120500, 124000, 125320, 149420, 156650, 161200, 186775, 192800, 194246, 201500, 239072, 241000, 250640, 298840, 313300, 322400, 373550, 388492, 391625, 403000, 482000, 485615, 501280, 597680, 626600, 747100, 776984, 783250, 806000, 933875, 964000, 971230, 1195360, 1253200, 1494200, 1553968, 1566500, 1612000, 1867750, 1942460, 2428075, 2506400, 2988400, 3107936, 3133000, 3735500, 3884920, 4856150, 5976800, 6266000, 7471000, 7769840, 9712300, 12140375, 12532000, 14942000, 15539680, 19424600, 24280750, 29884000, 38849200, 48561500, 77698400, 97123000, 194246000, 388492000]

約数ペア:

[(1, 388492000), (2, 194246000), (4, 97123000), (5, 77698400), (8, 48561500), (10, 38849200), (13, 29884000), (16, 24280750), (20, 19424600), (25, 15539680), (26, 14942000), (31, 12532000), (32, 12140375), (40, 9712300), (50, 7769840), (52, 7471000), (62, 6266000), (65, 5976800), (80, 4856150), (100, 3884920), (104, 3735500), (124, 3133000), (125, 3107936), (130, 2988400), (155, 2506400), (160, 2428075), (200, 1942460), (208, 1867750), (241, 1612000), (248, 1566500), (250, 1553968), (260, 1494200), (310, 1253200), (325, 1195360), (400, 971230), (403, 964000), (416, 933875), (482, 806000), (496, 783250), (500, 776984), (520, 747100), (620, 626600), (650, 597680), (775, 501280), (800, 485615), (806, 482000), (964, 403000), (992, 391625), (1000, 388492), (1040, 373550), (1205, 322400), (1240, 313300), (1300, 298840), (1550, 250640), (1612, 241000), (1625, 239072), (1928, 201500), (2000, 194246), (2015, 192800), (2080, 186775), (2410, 161200), (2480, 156650), (2600, 149420), (3100, 125320), (3133, 124000), (3224, 120500), (3250, 119536), (3856, 100750), (3875, 100256), (4000, 97123), (4030, 96400), (4820, 80600), (4960, 78325), (5200, 74710), (6025, 64480), (6200, 62660), (6266, 62000), (6448, 60250), (6500, 59768), (7471, 52000), (7712, 50375), (7750, 50128), (8060, 48200), (9640, 40300), (10075, 38560), (10400, 37355), (12050, 32240), (12400, 31330), (12532, 31000), (12896, 30125), (13000, 29884), (14942, 26000), (15500, 25064), (15665, 24800), (16120, 24100), (19280, 20150)]