290401020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17729}}^1$

素因数の和:17764

約数の個数: 144

約数和(自身を含む): 1084224960

約数和(自身を除く): 793823940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 16380, 17729, 35458, 53187, 70916, 88645, 106374, 124103, 159561, 177290, 212748, 230477, 248206, 265935, 319122, 354580, 372309, 460954, 496412, 531870, 620515, 638244, 691431, 744618, 797805, 921908, 1063740, 1116927, 1152385, 1241030, 1382862, 1489236, 1595610, 1613339, 1861545, 2074293, 2233854, 2304770, 2482060, 2765724, 3191220, 3226678, 3457155, 3723090, 4148586, 4467708, 4609540, 4840017, 5584635, 6453356, 6914310, 7446180, 8066695, 8297172, 9680034, 10371465, 11169270, 13828620, 14520051, 16133390, 19360068, 20742930, 22338540, 24200085, 29040102, 32266780, 41485860, 48400170, 58080204, 72600255, 96800340, 145200510, 290401020]

約数ペア:

[(1, 290401020), (2, 145200510), (3, 96800340), (4, 72600255), (5, 58080204), (6, 48400170), (7, 41485860), (9, 32266780), (10, 29040102), (12, 24200085), (13, 22338540), (14, 20742930), (15, 19360068), (18, 16133390), (20, 14520051), (21, 13828620), (26, 11169270), (28, 10371465), (30, 9680034), (35, 8297172), (36, 8066695), (39, 7446180), (42, 6914310), (45, 6453356), (52, 5584635), (60, 4840017), (63, 4609540), (65, 4467708), (70, 4148586), (78, 3723090), (84, 3457155), (90, 3226678), (91, 3191220), (105, 2765724), (117, 2482060), (126, 2304770), (130, 2233854), (140, 2074293), (156, 1861545), (180, 1613339), (182, 1595610), (195, 1489236), (210, 1382862), (234, 1241030), (252, 1152385), (260, 1116927), (273, 1063740), (315, 921908), (364, 797805), (390, 744618), (420, 691431), (455, 638244), (468, 620515), (546, 531870), (585, 496412), (630, 460954), (780, 372309), (819, 354580), (910, 319122), (1092, 265935), (1170, 248206), (1260, 230477), (1365, 212748), (1638, 177290), (1820, 159561), (2340, 124103), (2730, 106374), (3276, 88645), (4095, 70916), (5460, 53187), (8190, 35458), (16380, 17729)]