399800100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3121}}^1$

素因数の和:3206

約数の個数: 144

約数和(自身を含む): 1344108416

約数和(自身を除く): 944308316

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 61, 70, 75, 84, 100, 105, 122, 140, 150, 175, 183, 210, 244, 300, 305, 350, 366, 420, 427, 525, 610, 700, 732, 854, 915, 1050, 1220, 1281, 1525, 1708, 1830, 2100, 2135, 2562, 3050, 3121, 3660, 4270, 4575, 5124, 6100, 6242, 6405, 8540, 9150, 9363, 10675, 12484, 12810, 15605, 18300, 18726, 21350, 21847, 25620, 31210, 32025, 37452, 42700, 43694, 46815, 62420, 64050, 65541, 78025, 87388, 93630, 109235, 128100, 131082, 156050, 187260, 190381, 218470, 234075, 262164, 312100, 327705, 380762, 436940, 468150, 546175, 571143, 655410, 761524, 936300, 951905, 1092350, 1142286, 1310820, 1332667, 1638525, 1903810, 2184700, 2284572, 2665334, 2855715, 3277050, 3807620, 3998001, 4759525, 5330668, 5711430, 6554100, 6663335, 7996002, 9519050, 11422860, 13326670, 14278575, 15992004, 19038100, 19990005, 26653340, 28557150, 33316675, 39980010, 57114300, 66633350, 79960020, 99950025, 133266700, 199900050, 399800100]

約数ペア:

[(1, 399800100), (2, 199900050), (3, 133266700), (4, 99950025), (5, 79960020), (6, 66633350), (7, 57114300), (10, 39980010), (12, 33316675), (14, 28557150), (15, 26653340), (20, 19990005), (21, 19038100), (25, 15992004), (28, 14278575), (30, 13326670), (35, 11422860), (42, 9519050), (50, 7996002), (60, 6663335), (61, 6554100), (70, 5711430), (75, 5330668), (84, 4759525), (100, 3998001), (105, 3807620), (122, 3277050), (140, 2855715), (150, 2665334), (175, 2284572), (183, 2184700), (210, 1903810), (244, 1638525), (300, 1332667), (305, 1310820), (350, 1142286), (366, 1092350), (420, 951905), (427, 936300), (525, 761524), (610, 655410), (700, 571143), (732, 546175), (854, 468150), (915, 436940), (1050, 380762), (1220, 327705), (1281, 312100), (1525, 262164), (1708, 234075), (1830, 218470), (2100, 190381), (2135, 187260), (2562, 156050), (3050, 131082), (3121, 128100), (3660, 109235), (4270, 93630), (4575, 87388), (5124, 78025), (6100, 65541), (6242, 64050), (6405, 62420), (8540, 46815), (9150, 43694), (9363, 42700), (10675, 37452), (12484, 32025), (12810, 31210), (15605, 25620), (18300, 21847), (18726, 21350)]