402178980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{3079}}^1$

素因数の和:3409

約数の個数: 96

約数和(自身を含む): 1291530240

約数和(自身を除く): 889351260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 311, 420, 622, 933, 1244, 1555, 1866, 2177, 3079, 3110, 3732, 4354, 4665, 6158, 6220, 6531, 8708, 9237, 9330, 10885, 12316, 13062, 15395, 18474, 18660, 21553, 21770, 26124, 30790, 32655, 36948, 43106, 43540, 46185, 61580, 64659, 65310, 86212, 92370, 107765, 129318, 130620, 184740, 215530, 258636, 323295, 431060, 646590, 957569, 1293180, 1915138, 2872707, 3830276, 4787845, 5745414, 6702983, 9575690, 11490828, 13405966, 14363535, 19151380, 20108949, 26811932, 28727070, 33514915, 40217898, 57454140, 67029830, 80435796, 100544745, 134059660, 201089490, 402178980]

約数ペア:

[(1, 402178980), (2, 201089490), (3, 134059660), (4, 100544745), (5, 80435796), (6, 67029830), (7, 57454140), (10, 40217898), (12, 33514915), (14, 28727070), (15, 26811932), (20, 20108949), (21, 19151380), (28, 14363535), (30, 13405966), (35, 11490828), (42, 9575690), (60, 6702983), (70, 5745414), (84, 4787845), (105, 3830276), (140, 2872707), (210, 1915138), (311, 1293180), (420, 957569), (622, 646590), (933, 431060), (1244, 323295), (1555, 258636), (1866, 215530), (2177, 184740), (3079, 130620), (3110, 129318), (3732, 107765), (4354, 92370), (4665, 86212), (6158, 65310), (6220, 64659), (6531, 61580), (8708, 46185), (9237, 43540), (9330, 43106), (10885, 36948), (12316, 32655), (13062, 30790), (15395, 26124), (18474, 21770), (18660, 21553)]