278736690980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{241}}^1\times {\mathrm{18191}}^1$

素因数の和:18486

約数の個数: 144

約数和(自身を含む): 681184449792

約数和(自身を除く): 402447758812

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 241, 289, 340, 374, 482, 578, 748, 935, 964, 1156, 1205, 1445, 1870, 2410, 2651, 2890, 3179, 3740, 4097, 4820, 5302, 5780, 6358, 8194, 10604, 12716, 13255, 15895, 16388, 18191, 20485, 26510, 31790, 36382, 40970, 45067, 53020, 63580, 69649, 72764, 81940, 90134, 90955, 139298, 180268, 181910, 200101, 225335, 278596, 309247, 348245, 363820, 400202, 450670, 618494, 696490, 766139, 800404, 901340, 1000505, 1236988, 1392980, 1532278, 1546235, 2001010, 3064556, 3092470, 3401717, 3830695, 4002020, 4384031, 5257199, 6184940, 6803434, 7661390, 8768062, 10514398, 13606868, 15322780, 17008585, 17536124, 21028796, 21920155, 26285995, 34017170, 43840310, 48224341, 52571990, 57829189, 68034340, 74528527, 87680620, 96448682, 105143980, 115658378, 149057054, 192897364, 231316756, 241121705, 289145945, 298114108, 372642635, 482243410, 578291890, 745285270, 819813797, 964486820, 1156583780, 1266984959, 1490570540, 1639627594, 2533969918, 3279255188, 4099068985, 5067939836, 6334924795, 8198137970, 12669849590, 13936834549, 16396275940, 25339699180, 27873669098, 55747338196, 69684172745, 139368345490, 278736690980]

約数ペア:

[(1, 278736690980), (2, 139368345490), (4, 69684172745), (5, 55747338196), (10, 27873669098), (11, 25339699180), (17, 16396275940), (20, 13936834549), (22, 12669849590), (34, 8198137970), (44, 6334924795), (55, 5067939836), (68, 4099068985), (85, 3279255188), (110, 2533969918), (170, 1639627594), (187, 1490570540), (220, 1266984959), (241, 1156583780), (289, 964486820), (340, 819813797), (374, 745285270), (482, 578291890), (578, 482243410), (748, 372642635), (935, 298114108), (964, 289145945), (1156, 241121705), (1205, 231316756), (1445, 192897364), (1870, 149057054), (2410, 115658378), (2651, 105143980), (2890, 96448682), (3179, 87680620), (3740, 74528527), (4097, 68034340), (4820, 57829189), (5302, 52571990), (5780, 48224341), (6358, 43840310), (8194, 34017170), (10604, 26285995), (12716, 21920155), (13255, 21028796), (15895, 17536124), (16388, 17008585), (18191, 15322780), (20485, 13606868), (26510, 10514398), (31790, 8768062), (36382, 7661390), (40970, 6803434), (45067, 6184940), (53020, 5257199), (63580, 4384031), (69649, 4002020), (72764, 3830695), (81940, 3401717), (90134, 3092470), (90955, 3064556), (139298, 2001010), (180268, 1546235), (181910, 1532278), (200101, 1392980), (225335, 1236988), (278596, 1000505), (309247, 901340), (348245, 800404), (363820, 766139), (400202, 696490), (450670, 618494)]