210935780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:405

約数の個数: 96

約数和(自身を含む): 504548352

約数和(自身を除く): 293612572

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 157, 197, 220, 310, 314, 341, 394, 620, 628, 682, 785, 788, 985, 1364, 1570, 1705, 1727, 1970, 2167, 3140, 3410, 3454, 3940, 4334, 4867, 6107, 6820, 6908, 8635, 8668, 9734, 10835, 12214, 17270, 19468, 21670, 24335, 24428, 30535, 30929, 34540, 43340, 48670, 53537, 61070, 61858, 67177, 97340, 107074, 122140, 123716, 134354, 154645, 214148, 267685, 268708, 309290, 335885, 340219, 535370, 618580, 671770, 680438, 958799, 1070740, 1343540, 1360876, 1701095, 1917598, 3402190, 3835196, 4793995, 6804380, 9587990, 10546789, 19175980, 21093578, 42187156, 52733945, 105467890, 210935780]

約数ペア:

[(1, 210935780), (2, 105467890), (4, 52733945), (5, 42187156), (10, 21093578), (11, 19175980), (20, 10546789), (22, 9587990), (31, 6804380), (44, 4793995), (55, 3835196), (62, 3402190), (110, 1917598), (124, 1701095), (155, 1360876), (157, 1343540), (197, 1070740), (220, 958799), (310, 680438), (314, 671770), (341, 618580), (394, 535370), (620, 340219), (628, 335885), (682, 309290), (785, 268708), (788, 267685), (985, 214148), (1364, 154645), (1570, 134354), (1705, 123716), (1727, 122140), (1970, 107074), (2167, 97340), (3140, 67177), (3410, 61858), (3454, 61070), (3940, 53537), (4334, 48670), (4867, 43340), (6107, 34540), (6820, 30929), (6908, 30535), (8635, 24428), (8668, 24335), (9734, 21670), (10835, 19468), (12214, 17270)]