407776100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1367}}^1$

素因数の和:1557

約数の個数: 72

約数和(自身を含む): 938064960

約数和(自身を除く): 530288860

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 157, 190, 314, 380, 475, 628, 785, 950, 1367, 1570, 1900, 2734, 2983, 3140, 3925, 5468, 5966, 6835, 7850, 11932, 13670, 14915, 15700, 25973, 27340, 29830, 34175, 51946, 59660, 68350, 74575, 103892, 129865, 136700, 149150, 214619, 259730, 298300, 429238, 519460, 649325, 858476, 1073095, 1298650, 2146190, 2597300, 4077761, 4292380, 5365475, 8155522, 10730950, 16311044, 20388805, 21461900, 40777610, 81555220, 101944025, 203888050, 407776100]

約数ペア:

[(1, 407776100), (2, 203888050), (4, 101944025), (5, 81555220), (10, 40777610), (19, 21461900), (20, 20388805), (25, 16311044), (38, 10730950), (50, 8155522), (76, 5365475), (95, 4292380), (100, 4077761), (157, 2597300), (190, 2146190), (314, 1298650), (380, 1073095), (475, 858476), (628, 649325), (785, 519460), (950, 429238), (1367, 298300), (1570, 259730), (1900, 214619), (2734, 149150), (2983, 136700), (3140, 129865), (3925, 103892), (5468, 74575), (5966, 68350), (6835, 59660), (7850, 51946), (11932, 34175), (13670, 29830), (14915, 27340), (15700, 25973)]