398935900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{11699}}^1$

素因数の和:11755

約数の個数: 72

約数和(自身を含む): 974937600

約数和(自身を除く): 576001700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 62, 100, 110, 124, 155, 220, 275, 310, 341, 550, 620, 682, 775, 1100, 1364, 1550, 1705, 3100, 3410, 6820, 8525, 11699, 17050, 23398, 34100, 46796, 58495, 116990, 128689, 233980, 257378, 292475, 362669, 514756, 584950, 643445, 725338, 1169900, 1286890, 1450676, 1813345, 2573780, 3217225, 3626690, 3989359, 6434450, 7253380, 7978718, 9066725, 12868900, 15957436, 18133450, 19946795, 36266900, 39893590, 79787180, 99733975, 199467950, 398935900]

約数ペア:

[(1, 398935900), (2, 199467950), (4, 99733975), (5, 79787180), (10, 39893590), (11, 36266900), (20, 19946795), (22, 18133450), (25, 15957436), (31, 12868900), (44, 9066725), (50, 7978718), (55, 7253380), (62, 6434450), (100, 3989359), (110, 3626690), (124, 3217225), (155, 2573780), (220, 1813345), (275, 1450676), (310, 1286890), (341, 1169900), (550, 725338), (620, 643445), (682, 584950), (775, 514756), (1100, 362669), (1364, 292475), (1550, 257378), (1705, 233980), (3100, 128689), (3410, 116990), (6820, 58495), (8525, 46796), (11699, 34100), (17050, 23398)]