355193660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:327

約数の個数: 96

約数和(自身を含む): 802690560

約数和(自身を除く): 447496900

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 89, 124, 155, 157, 164, 178, 205, 310, 314, 356, 410, 445, 620, 628, 785, 820, 890, 1271, 1570, 1780, 2542, 2759, 3140, 3649, 4867, 5084, 5518, 6355, 6437, 7298, 9734, 11036, 12710, 12874, 13795, 13973, 14596, 18245, 19468, 24335, 25420, 25748, 27590, 27946, 32185, 36490, 48670, 55180, 55892, 64370, 69865, 72980, 97340, 113119, 128740, 139730, 199547, 226238, 279460, 399094, 433163, 452476, 565595, 572893, 798188, 866326, 997735, 1131190, 1145786, 1732652, 1995470, 2165815, 2262380, 2291572, 2864465, 3990940, 4331630, 5728930, 8663260, 11457860, 17759683, 35519366, 71038732, 88798415, 177596830, 355193660]

約数ペア:

[(1, 355193660), (2, 177596830), (4, 88798415), (5, 71038732), (10, 35519366), (20, 17759683), (31, 11457860), (41, 8663260), (62, 5728930), (82, 4331630), (89, 3990940), (124, 2864465), (155, 2291572), (157, 2262380), (164, 2165815), (178, 1995470), (205, 1732652), (310, 1145786), (314, 1131190), (356, 997735), (410, 866326), (445, 798188), (620, 572893), (628, 565595), (785, 452476), (820, 433163), (890, 399094), (1271, 279460), (1570, 226238), (1780, 199547), (2542, 139730), (2759, 128740), (3140, 113119), (3649, 97340), (4867, 72980), (5084, 69865), (5518, 64370), (6355, 55892), (6437, 55180), (7298, 48670), (9734, 36490), (11036, 32185), (12710, 27946), (12874, 27590), (13795, 25748), (13973, 25420), (14596, 24335), (18245, 19468)]