353990320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:359

約数の個数: 120

約数和(自身を含む): 892161648

約数和(自身を除く): 538171328

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 61, 68, 80, 85, 122, 136, 170, 244, 251, 272, 289, 305, 340, 488, 502, 578, 610, 680, 976, 1004, 1037, 1156, 1220, 1255, 1360, 1445, 2008, 2074, 2312, 2440, 2510, 2890, 4016, 4148, 4267, 4624, 4880, 5020, 5185, 5780, 8296, 8534, 10040, 10370, 11560, 15311, 16592, 17068, 17629, 20080, 20740, 21335, 23120, 30622, 34136, 35258, 41480, 42670, 61244, 68272, 70516, 72539, 76555, 82960, 85340, 88145, 122488, 141032, 145078, 153110, 170680, 176290, 244976, 260287, 282064, 290156, 306220, 341360, 352580, 362695, 520574, 580312, 612440, 705160, 725390, 1041148, 1160624, 1224880, 1301435, 1410320, 1450780, 2082296, 2602870, 2901560, 4164592, 4424879, 5205740, 5803120, 8849758, 10411480, 17699516, 20822960, 22124395, 35399032, 44248790, 70798064, 88497580, 176995160, 353990320]

約数ペア:

[(1, 353990320), (2, 176995160), (4, 88497580), (5, 70798064), (8, 44248790), (10, 35399032), (16, 22124395), (17, 20822960), (20, 17699516), (34, 10411480), (40, 8849758), (61, 5803120), (68, 5205740), (80, 4424879), (85, 4164592), (122, 2901560), (136, 2602870), (170, 2082296), (244, 1450780), (251, 1410320), (272, 1301435), (289, 1224880), (305, 1160624), (340, 1041148), (488, 725390), (502, 705160), (578, 612440), (610, 580312), (680, 520574), (976, 362695), (1004, 352580), (1037, 341360), (1156, 306220), (1220, 290156), (1255, 282064), (1360, 260287), (1445, 244976), (2008, 176290), (2074, 170680), (2312, 153110), (2440, 145078), (2510, 141032), (2890, 122488), (4016, 88145), (4148, 85340), (4267, 82960), (4624, 76555), (4880, 72539), (5020, 70516), (5185, 68272), (5780, 61244), (8296, 42670), (8534, 41480), (10040, 35258), (10370, 34136), (11560, 30622), (15311, 23120), (16592, 21335), (17068, 20740), (17629, 20080)]