2004165500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:221

約数の個数: 144

約数和(自身を含む): 4675743072

約数和(自身を除く): 2671577572

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 43, 50, 62, 86, 97, 100, 124, 125, 155, 172, 194, 215, 250, 310, 388, 430, 485, 500, 620, 775, 860, 961, 970, 1075, 1333, 1550, 1922, 1940, 2150, 2425, 2666, 3007, 3100, 3844, 3875, 4171, 4300, 4805, 4850, 5332, 5375, 6014, 6665, 7750, 8342, 9610, 9700, 10750, 12028, 12125, 13330, 15035, 15500, 16684, 19220, 20855, 21500, 24025, 24250, 26660, 30070, 33325, 41323, 41710, 48050, 48500, 60140, 66650, 75175, 82646, 83420, 93217, 96100, 104275, 120125, 129301, 133300, 150350, 165292, 166625, 186434, 206615, 208550, 240250, 258602, 300700, 333250, 372868, 375875, 413230, 417100, 466085, 480500, 517204, 521375, 646505, 666500, 751750, 826460, 932170, 1033075, 1042750, 1293010, 1503500, 1864340, 2066150, 2085500, 2330425, 2586020, 3232525, 4008331, 4132300, 4660850, 5165375, 6465050, 8016662, 9321700, 10330750, 11652125, 12930100, 16033324, 16162625, 20041655, 20661500, 23304250, 32325250, 40083310, 46608500, 64650500, 80166620, 100208275, 200416550, 400833100, 501041375, 1002082750, 2004165500]

約数ペア:

[(1, 2004165500), (2, 1002082750), (4, 501041375), (5, 400833100), (10, 200416550), (20, 100208275), (25, 80166620), (31, 64650500), (43, 46608500), (50, 40083310), (62, 32325250), (86, 23304250), (97, 20661500), (100, 20041655), (124, 16162625), (125, 16033324), (155, 12930100), (172, 11652125), (194, 10330750), (215, 9321700), (250, 8016662), (310, 6465050), (388, 5165375), (430, 4660850), (485, 4132300), (500, 4008331), (620, 3232525), (775, 2586020), (860, 2330425), (961, 2085500), (970, 2066150), (1075, 1864340), (1333, 1503500), (1550, 1293010), (1922, 1042750), (1940, 1033075), (2150, 932170), (2425, 826460), (2666, 751750), (3007, 666500), (3100, 646505), (3844, 521375), (3875, 517204), (4171, 480500), (4300, 466085), (4805, 417100), (4850, 413230), (5332, 375875), (5375, 372868), (6014, 333250), (6665, 300700), (7750, 258602), (8342, 240250), (9610, 208550), (9700, 206615), (10750, 186434), (12028, 166625), (12125, 165292), (13330, 150350), (15035, 133300), (15500, 129301), (16684, 120125), (19220, 104275), (20855, 96100), (21500, 93217), (24025, 83420), (24250, 82646), (26660, 75175), (30070, 66650), (33325, 60140), (41323, 48500), (41710, 48050)]