420909736

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{727}}^1$

素因数の和:1058

約数の個数: 64

約数和(自身を含む): 898934400

約数和(自身を除く): 478024664

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 293, 494, 586, 727, 988, 1172, 1454, 1976, 2344, 2908, 3809, 5567, 5816, 7618, 9451, 11134, 13813, 15236, 18902, 22268, 27626, 30472, 37804, 44536, 55252, 72371, 75608, 110504, 144742, 179569, 213011, 289484, 359138, 426022, 578968, 718276, 852044, 1436552, 1704088, 2769143, 4047209, 5538286, 8094418, 11076572, 16188836, 22153144, 32377672, 52613717, 105227434, 210454868, 420909736]

約数ペア:

[(1, 420909736), (2, 210454868), (4, 105227434), (8, 52613717), (13, 32377672), (19, 22153144), (26, 16188836), (38, 11076572), (52, 8094418), (76, 5538286), (104, 4047209), (152, 2769143), (247, 1704088), (293, 1436552), (494, 852044), (586, 718276), (727, 578968), (988, 426022), (1172, 359138), (1454, 289484), (1976, 213011), (2344, 179569), (2908, 144742), (3809, 110504), (5567, 75608), (5816, 72371), (7618, 55252), (9451, 44536), (11134, 37804), (13813, 30472), (15236, 27626), (18902, 22268)]