741972820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{137}}^1\times {\mathrm{937}}^1$

素因数の和:1117

約数の個数: 72

約数和(自身を含む): 1669050936

約数和(自身を除く): 927078116

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 137, 170, 274, 289, 340, 548, 578, 685, 937, 1156, 1370, 1445, 1874, 2329, 2740, 2890, 3748, 4658, 4685, 5780, 9316, 9370, 11645, 15929, 18740, 23290, 31858, 39593, 46580, 63716, 79186, 79645, 128369, 158372, 159290, 197965, 256738, 270793, 318580, 395930, 513476, 541586, 641845, 791860, 1083172, 1283690, 1353965, 2182273, 2567380, 2707930, 4364546, 5415860, 8729092, 10911365, 21822730, 37098641, 43645460, 74197282, 148394564, 185493205, 370986410, 741972820]

約数ペア:

[(1, 741972820), (2, 370986410), (4, 185493205), (5, 148394564), (10, 74197282), (17, 43645460), (20, 37098641), (34, 21822730), (68, 10911365), (85, 8729092), (137, 5415860), (170, 4364546), (274, 2707930), (289, 2567380), (340, 2182273), (548, 1353965), (578, 1283690), (685, 1083172), (937, 791860), (1156, 641845), (1370, 541586), (1445, 513476), (1874, 395930), (2329, 318580), (2740, 270793), (2890, 256738), (3748, 197965), (4658, 159290), (4685, 158372), (5780, 128369), (9316, 79645), (9370, 79186), (11645, 63716), (15929, 46580), (18740, 39593), (23290, 31858)]