204574020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{467}}^1$

素因数の和:642

約数の個数: 144

約数和(自身を含む): 672235200

約数和(自身を除く): 467661180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 149, 196, 210, 245, 294, 298, 420, 447, 467, 490, 588, 596, 735, 745, 894, 934, 980, 1043, 1401, 1470, 1490, 1788, 1868, 2086, 2235, 2335, 2802, 2940, 2980, 3129, 3269, 4172, 4470, 4670, 5215, 5604, 6258, 6538, 7005, 7301, 8940, 9340, 9807, 10430, 12516, 13076, 14010, 14602, 15645, 16345, 19614, 20860, 21903, 22883, 28020, 29204, 31290, 32690, 36505, 39228, 43806, 45766, 49035, 62580, 65380, 68649, 69583, 73010, 87612, 91532, 98070, 109515, 114415, 137298, 139166, 146020, 196140, 208749, 219030, 228830, 274596, 278332, 343245, 347915, 417498, 438060, 457660, 487081, 686490, 695830, 834996, 974162, 1043745, 1372980, 1391660, 1461243, 1948324, 2087490, 2435405, 2922486, 3409567, 4174980, 4870810, 5844972, 6819134, 7306215, 9741620, 10228701, 13638268, 14612430, 17047835, 20457402, 29224860, 34095670, 40914804, 51143505, 68191340, 102287010, 204574020]

約数ペア:

[(1, 204574020), (2, 102287010), (3, 68191340), (4, 51143505), (5, 40914804), (6, 34095670), (7, 29224860), (10, 20457402), (12, 17047835), (14, 14612430), (15, 13638268), (20, 10228701), (21, 9741620), (28, 7306215), (30, 6819134), (35, 5844972), (42, 4870810), (49, 4174980), (60, 3409567), (70, 2922486), (84, 2435405), (98, 2087490), (105, 1948324), (140, 1461243), (147, 1391660), (149, 1372980), (196, 1043745), (210, 974162), (245, 834996), (294, 695830), (298, 686490), (420, 487081), (447, 457660), (467, 438060), (490, 417498), (588, 347915), (596, 343245), (735, 278332), (745, 274596), (894, 228830), (934, 219030), (980, 208749), (1043, 196140), (1401, 146020), (1470, 139166), (1490, 137298), (1788, 114415), (1868, 109515), (2086, 98070), (2235, 91532), (2335, 87612), (2802, 73010), (2940, 69583), (2980, 68649), (3129, 65380), (3269, 62580), (4172, 49035), (4470, 45766), (4670, 43806), (5215, 39228), (5604, 36505), (6258, 32690), (6538, 31290), (7005, 29204), (7301, 28020), (8940, 22883), (9340, 21903), (9807, 20860), (10430, 19614), (12516, 16345), (13076, 15645), (14010, 14602)]