28523940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:353

約数の個数: 96

約数和(自身を含む): 85155840

約数和(自身を除く): 56631900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 131, 190, 191, 228, 262, 285, 380, 382, 393, 524, 570, 573, 655, 764, 786, 955, 1140, 1146, 1310, 1572, 1910, 1965, 2292, 2489, 2620, 2865, 3629, 3820, 3930, 4978, 5730, 7258, 7467, 7860, 9956, 10887, 11460, 12445, 14516, 14934, 18145, 21774, 24890, 25021, 29868, 36290, 37335, 43548, 49780, 50042, 54435, 72580, 74670, 75063, 100084, 108870, 125105, 149340, 150126, 217740, 250210, 300252, 375315, 475399, 500420, 750630, 950798, 1426197, 1501260, 1901596, 2376995, 2852394, 4753990, 5704788, 7130985, 9507980, 14261970, 28523940]

約数ペア:

[(1, 28523940), (2, 14261970), (3, 9507980), (4, 7130985), (5, 5704788), (6, 4753990), (10, 2852394), (12, 2376995), (15, 1901596), (19, 1501260), (20, 1426197), (30, 950798), (38, 750630), (57, 500420), (60, 475399), (76, 375315), (95, 300252), (114, 250210), (131, 217740), (190, 150126), (191, 149340), (228, 125105), (262, 108870), (285, 100084), (380, 75063), (382, 74670), (393, 72580), (524, 54435), (570, 50042), (573, 49780), (655, 43548), (764, 37335), (786, 36290), (955, 29868), (1140, 25021), (1146, 24890), (1310, 21774), (1572, 18145), (1910, 14934), (1965, 14516), (2292, 12445), (2489, 11460), (2620, 10887), (2865, 9956), (3629, 7860), (3820, 7467), (3930, 7258), (4978, 5730)]