196801250

素因数分解:

$2^1\times 5^4\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:201

約数の個数: 80

約数和(自身を含む): 392218200

約数和(自身を除く): 195416950

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 61, 89, 122, 125, 145, 178, 250, 290, 305, 445, 610, 625, 725, 890, 1250, 1450, 1525, 1769, 2225, 2581, 3050, 3538, 3625, 4450, 5162, 5429, 7250, 7625, 8845, 10858, 11125, 12905, 15250, 17690, 18125, 22250, 25810, 27145, 36250, 38125, 44225, 54290, 55625, 64525, 76250, 88450, 111250, 129050, 135725, 157441, 221125, 271450, 314882, 322625, 442250, 645250, 678625, 787205, 1105625, 1357250, 1574410, 1613125, 2211250, 3226250, 3393125, 3936025, 6786250, 7872050, 19680125, 39360250, 98400625, 196801250]

約数ペア:

[(1, 196801250), (2, 98400625), (5, 39360250), (10, 19680125), (25, 7872050), (29, 6786250), (50, 3936025), (58, 3393125), (61, 3226250), (89, 2211250), (122, 1613125), (125, 1574410), (145, 1357250), (178, 1105625), (250, 787205), (290, 678625), (305, 645250), (445, 442250), (610, 322625), (625, 314882), (725, 271450), (890, 221125), (1250, 157441), (1450, 135725), (1525, 129050), (1769, 111250), (2225, 88450), (2581, 76250), (3050, 64525), (3538, 55625), (3625, 54290), (4450, 44225), (5162, 38125), (5429, 36250), (7250, 27145), (7625, 25810), (8845, 22250), (10858, 18125), (11125, 17690), (12905, 15250)]