194527700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2381}}^1$

素因数の和:2457

約数の個数: 72

約数和(自身を含む): 454866720

約数和(自身を除く): 260339020

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 43, 50, 76, 86, 95, 100, 172, 190, 215, 380, 430, 475, 817, 860, 950, 1075, 1634, 1900, 2150, 2381, 3268, 4085, 4300, 4762, 8170, 9524, 11905, 16340, 20425, 23810, 40850, 45239, 47620, 59525, 81700, 90478, 102383, 119050, 180956, 204766, 226195, 238100, 409532, 452390, 511915, 904780, 1023830, 1130975, 1945277, 2047660, 2261950, 2559575, 3890554, 4523900, 5119150, 7781108, 9726385, 10238300, 19452770, 38905540, 48631925, 97263850, 194527700]

約数ペア:

[(1, 194527700), (2, 97263850), (4, 48631925), (5, 38905540), (10, 19452770), (19, 10238300), (20, 9726385), (25, 7781108), (38, 5119150), (43, 4523900), (50, 3890554), (76, 2559575), (86, 2261950), (95, 2047660), (100, 1945277), (172, 1130975), (190, 1023830), (215, 904780), (380, 511915), (430, 452390), (475, 409532), (817, 238100), (860, 226195), (950, 204766), (1075, 180956), (1634, 119050), (1900, 102383), (2150, 90478), (2381, 81700), (3268, 59525), (4085, 47620), (4300, 45239), (4762, 40850), (8170, 23810), (9524, 20425), (11905, 16340)]