195243640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 489888000

約数和(自身を除く): 294644360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 47, 68, 82, 85, 94, 136, 149, 164, 170, 188, 205, 235, 298, 328, 340, 376, 410, 470, 596, 680, 697, 745, 799, 820, 940, 1192, 1394, 1490, 1598, 1640, 1880, 1927, 2533, 2788, 2980, 3196, 3485, 3854, 3995, 5066, 5576, 5960, 6109, 6392, 6970, 7003, 7708, 7990, 9635, 10132, 12218, 12665, 13940, 14006, 15416, 15980, 19270, 20264, 24436, 25330, 27880, 28012, 30545, 31960, 32759, 35015, 38540, 48872, 50660, 56024, 61090, 65518, 70030, 77080, 101320, 103853, 119051, 122180, 131036, 140060, 163795, 207706, 238102, 244360, 262072, 280120, 287123, 327590, 415412, 476204, 519265, 574246, 595255, 655180, 830824, 952408, 1038530, 1148492, 1190510, 1310360, 1435615, 2077060, 2296984, 2381020, 2871230, 4154120, 4762040, 4881091, 5742460, 9762182, 11484920, 19524364, 24405455, 39048728, 48810910, 97621820, 195243640]

約数ペア:

[(1, 195243640), (2, 97621820), (4, 48810910), (5, 39048728), (8, 24405455), (10, 19524364), (17, 11484920), (20, 9762182), (34, 5742460), (40, 4881091), (41, 4762040), (47, 4154120), (68, 2871230), (82, 2381020), (85, 2296984), (94, 2077060), (136, 1435615), (149, 1310360), (164, 1190510), (170, 1148492), (188, 1038530), (205, 952408), (235, 830824), (298, 655180), (328, 595255), (340, 574246), (376, 519265), (410, 476204), (470, 415412), (596, 327590), (680, 287123), (697, 280120), (745, 262072), (799, 244360), (820, 238102), (940, 207706), (1192, 163795), (1394, 140060), (1490, 131036), (1598, 122180), (1640, 119051), (1880, 103853), (1927, 101320), (2533, 77080), (2788, 70030), (2980, 65518), (3196, 61090), (3485, 56024), (3854, 50660), (3995, 48872), (5066, 38540), (5576, 35015), (5960, 32759), (6109, 31960), (6392, 30545), (6970, 28012), (7003, 27880), (7708, 25330), (7990, 24436), (9635, 20264), (10132, 19270), (12218, 15980), (12665, 15416), (13940, 14006)]