30844220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 76446720

約数和(自身を除く): 45602500

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 47, 55, 76, 94, 95, 110, 157, 188, 190, 209, 220, 235, 314, 380, 418, 470, 517, 628, 785, 836, 893, 940, 1034, 1045, 1570, 1727, 1786, 2068, 2090, 2585, 2983, 3140, 3454, 3572, 4180, 4465, 5170, 5966, 6908, 7379, 8635, 8930, 9823, 10340, 11932, 14758, 14915, 17270, 17860, 19646, 29516, 29830, 32813, 34540, 36895, 39292, 49115, 59660, 65626, 73790, 81169, 98230, 131252, 140201, 147580, 162338, 164065, 196460, 280402, 324676, 328130, 405845, 560804, 656260, 701005, 811690, 1402010, 1542211, 1623380, 2804020, 3084422, 6168844, 7711055, 15422110, 30844220]

約数ペア:

[(1, 30844220), (2, 15422110), (4, 7711055), (5, 6168844), (10, 3084422), (11, 2804020), (19, 1623380), (20, 1542211), (22, 1402010), (38, 811690), (44, 701005), (47, 656260), (55, 560804), (76, 405845), (94, 328130), (95, 324676), (110, 280402), (157, 196460), (188, 164065), (190, 162338), (209, 147580), (220, 140201), (235, 131252), (314, 98230), (380, 81169), (418, 73790), (470, 65626), (517, 59660), (628, 49115), (785, 39292), (836, 36895), (893, 34540), (940, 32813), (1034, 29830), (1045, 29516), (1570, 19646), (1727, 17860), (1786, 17270), (2068, 14915), (2090, 14758), (2585, 11932), (2983, 10340), (3140, 9823), (3454, 8930), (3572, 8635), (4180, 7379), (4465, 6908), (5170, 5966)]