285949456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{727}}^1$

素因数の和:840

約数の個数: 80

約数和(自身を含む): 626848768

約数和(自身を除く): 340899312

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 61, 62, 104, 122, 124, 208, 244, 248, 403, 488, 496, 727, 793, 806, 976, 1454, 1586, 1612, 1891, 2908, 3172, 3224, 3782, 5816, 6344, 6448, 7564, 9451, 11632, 12688, 15128, 18902, 22537, 24583, 30256, 37804, 44347, 45074, 49166, 75608, 88694, 90148, 98332, 151216, 177388, 180296, 196664, 292981, 354776, 360592, 393328, 576511, 585962, 709552, 1153022, 1171924, 1374757, 2306044, 2343848, 2749514, 4612088, 4687696, 5499028, 9224176, 10998056, 17871841, 21996112, 35743682, 71487364, 142974728, 285949456]

約数ペア:

[(1, 285949456), (2, 142974728), (4, 71487364), (8, 35743682), (13, 21996112), (16, 17871841), (26, 10998056), (31, 9224176), (52, 5499028), (61, 4687696), (62, 4612088), (104, 2749514), (122, 2343848), (124, 2306044), (208, 1374757), (244, 1171924), (248, 1153022), (403, 709552), (488, 585962), (496, 576511), (727, 393328), (793, 360592), (806, 354776), (976, 292981), (1454, 196664), (1586, 180296), (1612, 177388), (1891, 151216), (2908, 98332), (3172, 90148), (3224, 88694), (3782, 75608), (5816, 49166), (6344, 45074), (6448, 44347), (7564, 37804), (9451, 30256), (11632, 24583), (12688, 22537), (15128, 18902)]