1428778890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{18743}}^1$

素因数の和:18785

約数の個数: 144

約数和(自身を含む): 4666806144

約数和(自身を除く): 3238027254

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 30, 33, 35, 42, 45, 55, 63, 66, 70, 77, 90, 99, 105, 110, 121, 126, 154, 165, 198, 210, 231, 242, 315, 330, 363, 385, 462, 495, 605, 630, 693, 726, 770, 847, 990, 1089, 1155, 1210, 1386, 1694, 1815, 2178, 2310, 2541, 3465, 3630, 4235, 5082, 5445, 6930, 7623, 8470, 10890, 12705, 15246, 18743, 25410, 37486, 38115, 56229, 76230, 93715, 112458, 131201, 168687, 187430, 206173, 262402, 281145, 337374, 393603, 412346, 562290, 618519, 656005, 787206, 843435, 1030865, 1180809, 1237038, 1312010, 1443211, 1686870, 1855557, 1968015, 2061730, 2267903, 2361618, 2886422, 3092595, 3711114, 3936030, 4329633, 4535806, 5904045, 6185190, 6803709, 7216055, 8659266, 9277785, 11339515, 11808090, 12988899, 13607418, 14432110, 15875321, 18555570, 20411127, 21648165, 22679030, 25977798, 31750642, 34018545, 40822254, 43296330, 47625963, 64944495, 68037090, 79376605, 95251926, 102055635, 129888990, 142877889, 158753210, 204111270, 238129815, 285755778, 476259630, 714389445, 1428778890]

約数ペア:

[(1, 1428778890), (2, 714389445), (3, 476259630), (5, 285755778), (6, 238129815), (7, 204111270), (9, 158753210), (10, 142877889), (11, 129888990), (14, 102055635), (15, 95251926), (18, 79376605), (21, 68037090), (22, 64944495), (30, 47625963), (33, 43296330), (35, 40822254), (42, 34018545), (45, 31750642), (55, 25977798), (63, 22679030), (66, 21648165), (70, 20411127), (77, 18555570), (90, 15875321), (99, 14432110), (105, 13607418), (110, 12988899), (121, 11808090), (126, 11339515), (154, 9277785), (165, 8659266), (198, 7216055), (210, 6803709), (231, 6185190), (242, 5904045), (315, 4535806), (330, 4329633), (363, 3936030), (385, 3711114), (462, 3092595), (495, 2886422), (605, 2361618), (630, 2267903), (693, 2061730), (726, 1968015), (770, 1855557), (847, 1686870), (990, 1443211), (1089, 1312010), (1155, 1237038), (1210, 1180809), (1386, 1030865), (1694, 843435), (1815, 787206), (2178, 656005), (2310, 618519), (2541, 562290), (3465, 412346), (3630, 393603), (4235, 337374), (5082, 281145), (5445, 262402), (6930, 206173), (7623, 187430), (8470, 168687), (10890, 131201), (12705, 112458), (15246, 93715), (18743, 76230), (25410, 56229), (37486, 38115)]