196997320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:327

約数の個数: 128

約数和(自身を含む): 509644800

約数和(自身を除く): 312647480

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 127, 130, 152, 157, 190, 247, 254, 260, 314, 380, 494, 508, 520, 628, 635, 760, 785, 988, 1016, 1235, 1256, 1270, 1570, 1651, 1976, 2041, 2413, 2470, 2540, 2983, 3140, 3302, 4082, 4826, 4940, 5080, 5966, 6280, 6604, 8164, 8255, 9652, 9880, 10205, 11932, 12065, 13208, 14915, 16328, 16510, 19304, 19939, 20410, 23864, 24130, 29830, 31369, 33020, 38779, 39878, 40820, 48260, 59660, 62738, 66040, 77558, 79756, 81640, 96520, 99695, 119320, 125476, 155116, 156845, 159512, 193895, 199390, 250952, 259207, 310232, 313690, 378841, 387790, 398780, 518414, 627380, 757682, 775580, 797560, 1036828, 1254760, 1296035, 1515364, 1551160, 1894205, 2073656, 2592070, 3030728, 3788410, 4924933, 5184140, 7576820, 9849866, 10368280, 15153640, 19699732, 24624665, 39399464, 49249330, 98498660, 196997320]

約数ペア:

[(1, 196997320), (2, 98498660), (4, 49249330), (5, 39399464), (8, 24624665), (10, 19699732), (13, 15153640), (19, 10368280), (20, 9849866), (26, 7576820), (38, 5184140), (40, 4924933), (52, 3788410), (65, 3030728), (76, 2592070), (95, 2073656), (104, 1894205), (127, 1551160), (130, 1515364), (152, 1296035), (157, 1254760), (190, 1036828), (247, 797560), (254, 775580), (260, 757682), (314, 627380), (380, 518414), (494, 398780), (508, 387790), (520, 378841), (628, 313690), (635, 310232), (760, 259207), (785, 250952), (988, 199390), (1016, 193895), (1235, 159512), (1256, 156845), (1270, 155116), (1570, 125476), (1651, 119320), (1976, 99695), (2041, 96520), (2413, 81640), (2470, 79756), (2540, 77558), (2983, 66040), (3140, 62738), (3302, 59660), (4082, 48260), (4826, 40820), (4940, 39878), (5080, 38779), (5966, 33020), (6280, 31369), (6604, 29830), (8164, 24130), (8255, 23864), (9652, 20410), (9880, 19939), (10205, 19304), (11932, 16510), (12065, 16328), (13208, 14915)]