130215500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^2\times {\mathrm{271}}^1$

素因数の和:352

約数の個数: 72

約数和(自身を含む): 294944832

約数和(自身を除く): 164729332

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 155, 250, 271, 310, 500, 542, 620, 775, 961, 1084, 1355, 1550, 1922, 2710, 3100, 3844, 3875, 4805, 5420, 6775, 7750, 8401, 9610, 13550, 15500, 16802, 19220, 24025, 27100, 33604, 33875, 42005, 48050, 67750, 84010, 96100, 120125, 135500, 168020, 210025, 240250, 260431, 420050, 480500, 520862, 840100, 1041724, 1050125, 1302155, 2100250, 2604310, 4200500, 5208620, 6510775, 13021550, 26043100, 32553875, 65107750, 130215500]

約数ペア:

[(1, 130215500), (2, 65107750), (4, 32553875), (5, 26043100), (10, 13021550), (20, 6510775), (25, 5208620), (31, 4200500), (50, 2604310), (62, 2100250), (100, 1302155), (124, 1050125), (125, 1041724), (155, 840100), (250, 520862), (271, 480500), (310, 420050), (500, 260431), (542, 240250), (620, 210025), (775, 168020), (961, 135500), (1084, 120125), (1355, 96100), (1550, 84010), (1922, 67750), (2710, 48050), (3100, 42005), (3844, 33875), (3875, 33604), (4805, 27100), (5420, 24025), (6775, 19220), (7750, 16802), (8401, 15500), (9610, 13550)]