258531650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:264

約数の個数: 96

約数和(自身を含む): 541371600

約数和(自身を除く): 282839950

約数列:

[1, 2, 5, 10, 13, 25, 26, 41, 50, 65, 82, 89, 109, 130, 178, 205, 218, 325, 410, 445, 533, 545, 650, 890, 1025, 1066, 1090, 1157, 1417, 2050, 2225, 2314, 2665, 2725, 2834, 3649, 4450, 4469, 5330, 5450, 5785, 7085, 7298, 8938, 9701, 11570, 13325, 14170, 18245, 19402, 22345, 26650, 28925, 35425, 36490, 44690, 47437, 48505, 57850, 58097, 70850, 91225, 94874, 97010, 111725, 116194, 126113, 182450, 223450, 237185, 242525, 252226, 290485, 397741, 474370, 485050, 580970, 630565, 795482, 1185925, 1261130, 1452425, 1988705, 2371850, 2904850, 3152825, 3977410, 5170633, 6305650, 9943525, 10341266, 19887050, 25853165, 51706330, 129265825, 258531650]

約数ペア:

[(1, 258531650), (2, 129265825), (5, 51706330), (10, 25853165), (13, 19887050), (25, 10341266), (26, 9943525), (41, 6305650), (50, 5170633), (65, 3977410), (82, 3152825), (89, 2904850), (109, 2371850), (130, 1988705), (178, 1452425), (205, 1261130), (218, 1185925), (325, 795482), (410, 630565), (445, 580970), (533, 485050), (545, 474370), (650, 397741), (890, 290485), (1025, 252226), (1066, 242525), (1090, 237185), (1157, 223450), (1417, 182450), (2050, 126113), (2225, 116194), (2314, 111725), (2665, 97010), (2725, 94874), (2834, 91225), (3649, 70850), (4450, 58097), (4469, 57850), (5330, 48505), (5450, 47437), (5785, 44690), (7085, 36490), (7298, 35425), (8938, 28925), (9701, 26650), (11570, 22345), (13325, 19402), (14170, 18245)]