171961790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:498

約数の個数: 128

約数和(自身を含む): 426746880

約数和(自身を除く): 254785090

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 41, 55, 65, 70, 77, 82, 91, 110, 130, 143, 154, 182, 205, 286, 287, 385, 410, 419, 451, 455, 533, 574, 715, 770, 838, 902, 910, 1001, 1066, 1430, 1435, 2002, 2095, 2255, 2665, 2870, 2933, 3157, 3731, 4190, 4510, 4609, 5005, 5330, 5447, 5863, 5866, 6314, 7462, 9218, 10010, 10894, 11726, 14665, 15785, 17179, 18655, 23045, 27235, 29315, 29330, 31570, 32263, 34358, 37310, 38129, 41041, 46090, 54470, 58630, 59917, 64526, 76258, 82082, 85895, 119834, 120253, 161315, 171790, 188969, 190645, 205205, 223327, 240506, 299585, 322630, 377938, 381290, 410410, 419419, 446654, 599170, 601265, 838838, 944845, 1116635, 1202530, 1322783, 1563289, 1889690, 2097095, 2233270, 2456597, 2645566, 3126578, 4194190, 4913194, 6613915, 7816445, 12282985, 13227830, 15632890, 17196179, 24565970, 34392358, 85980895, 171961790]

約数ペア:

[(1, 171961790), (2, 85980895), (5, 34392358), (7, 24565970), (10, 17196179), (11, 15632890), (13, 13227830), (14, 12282985), (22, 7816445), (26, 6613915), (35, 4913194), (41, 4194190), (55, 3126578), (65, 2645566), (70, 2456597), (77, 2233270), (82, 2097095), (91, 1889690), (110, 1563289), (130, 1322783), (143, 1202530), (154, 1116635), (182, 944845), (205, 838838), (286, 601265), (287, 599170), (385, 446654), (410, 419419), (419, 410410), (451, 381290), (455, 377938), (533, 322630), (574, 299585), (715, 240506), (770, 223327), (838, 205205), (902, 190645), (910, 188969), (1001, 171790), (1066, 161315), (1430, 120253), (1435, 119834), (2002, 85895), (2095, 82082), (2255, 76258), (2665, 64526), (2870, 59917), (2933, 58630), (3157, 54470), (3731, 46090), (4190, 41041), (4510, 38129), (4609, 37310), (5005, 34358), (5330, 32263), (5447, 31570), (5863, 29330), (5866, 29315), (6314, 27235), (7462, 23045), (9218, 18655), (10010, 17179), (10894, 15785), (11726, 14665)]