319714900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{881}}^1$

素因数の和:1105

約数の個数: 72

約数和(自身を含む): 734952960

約数和(自身を除く): 415238060

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 191, 380, 382, 475, 764, 881, 950, 955, 1762, 1900, 1910, 3524, 3629, 3820, 4405, 4775, 7258, 8810, 9550, 14516, 16739, 17620, 18145, 19100, 22025, 33478, 36290, 44050, 66956, 72580, 83695, 88100, 90725, 167390, 168271, 181450, 334780, 336542, 362900, 418475, 673084, 836950, 841355, 1673900, 1682710, 3197149, 3365420, 4206775, 6394298, 8413550, 12788596, 15985745, 16827100, 31971490, 63942980, 79928725, 159857450, 319714900]

約数ペア:

[(1, 319714900), (2, 159857450), (4, 79928725), (5, 63942980), (10, 31971490), (19, 16827100), (20, 15985745), (25, 12788596), (38, 8413550), (50, 6394298), (76, 4206775), (95, 3365420), (100, 3197149), (190, 1682710), (191, 1673900), (380, 841355), (382, 836950), (475, 673084), (764, 418475), (881, 362900), (950, 336542), (955, 334780), (1762, 181450), (1900, 168271), (1910, 167390), (3524, 90725), (3629, 88100), (3820, 83695), (4405, 72580), (4775, 66956), (7258, 44050), (8810, 36290), (9550, 33478), (14516, 22025), (16739, 19100), (17620, 18145)]