245772904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2039}}^1$

素因数の和:2138

約数の個数: 64

約数和(自身を含む): 531216000

約数和(自身を除く): 285443096

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 61, 76, 104, 122, 152, 244, 247, 488, 494, 793, 988, 1159, 1586, 1976, 2039, 2318, 3172, 4078, 4636, 6344, 8156, 9272, 15067, 16312, 26507, 30134, 38741, 53014, 60268, 77482, 106028, 120536, 124379, 154964, 212056, 248758, 309928, 497516, 503633, 995032, 1007266, 1616927, 2014532, 2363201, 3233854, 4029064, 4726402, 6467708, 9452804, 12935416, 18905608, 30721613, 61443226, 122886452, 245772904]

約数ペア:

[(1, 245772904), (2, 122886452), (4, 61443226), (8, 30721613), (13, 18905608), (19, 12935416), (26, 9452804), (38, 6467708), (52, 4726402), (61, 4029064), (76, 3233854), (104, 2363201), (122, 2014532), (152, 1616927), (244, 1007266), (247, 995032), (488, 503633), (494, 497516), (793, 309928), (988, 248758), (1159, 212056), (1586, 154964), (1976, 124379), (2039, 120536), (2318, 106028), (3172, 77482), (4078, 60268), (4636, 53014), (6344, 38741), (8156, 30134), (9272, 26507), (15067, 16312)]