99661840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{379}}^1$

素因数の和:584

約数の個数: 80

約数和(自身を含む): 245966400

約数和(自身を除く): 146304560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 173, 190, 304, 346, 379, 380, 692, 758, 760, 865, 1384, 1516, 1520, 1730, 1895, 2768, 3032, 3287, 3460, 3790, 6064, 6574, 6920, 7201, 7580, 13148, 13840, 14402, 15160, 16435, 26296, 28804, 30320, 32870, 36005, 52592, 57608, 65567, 65740, 72010, 115216, 131134, 131480, 144020, 262268, 262960, 288040, 327835, 524536, 576080, 655670, 1049072, 1245773, 1311340, 2491546, 2622680, 4983092, 5245360, 6228865, 9966184, 12457730, 19932368, 24915460, 49830920, 99661840]

約数ペア:

[(1, 99661840), (2, 49830920), (4, 24915460), (5, 19932368), (8, 12457730), (10, 9966184), (16, 6228865), (19, 5245360), (20, 4983092), (38, 2622680), (40, 2491546), (76, 1311340), (80, 1245773), (95, 1049072), (152, 655670), (173, 576080), (190, 524536), (304, 327835), (346, 288040), (379, 262960), (380, 262268), (692, 144020), (758, 131480), (760, 131134), (865, 115216), (1384, 72010), (1516, 65740), (1520, 65567), (1730, 57608), (1895, 52592), (2768, 36005), (3032, 32870), (3287, 30320), (3460, 28804), (3790, 26296), (6064, 16435), (6574, 15160), (6920, 14402), (7201, 13840), (7580, 13148)]