402162140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:315

約数の個数: 96

約数和(自身を含む): 904780800

約数和(自身を除く): 502618660

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 67, 79, 116, 131, 134, 145, 158, 262, 268, 290, 316, 335, 395, 524, 580, 655, 670, 790, 1310, 1340, 1580, 1943, 2291, 2620, 3799, 3886, 4582, 5293, 7598, 7772, 8777, 9164, 9715, 10349, 10586, 11455, 15196, 17554, 18995, 19430, 20698, 21172, 22910, 26465, 35108, 37990, 38860, 41396, 43885, 45820, 51745, 52930, 75980, 87770, 103490, 105860, 153497, 175540, 206980, 254533, 300121, 306994, 509066, 600242, 613988, 693383, 767485, 1018132, 1200484, 1272665, 1386766, 1500605, 1534970, 2545330, 2773532, 3001210, 3069940, 3466915, 5090660, 6002420, 6933830, 13867660, 20108107, 40216214, 80432428, 100540535, 201081070, 402162140]

約数ペア:

[(1, 402162140), (2, 201081070), (4, 100540535), (5, 80432428), (10, 40216214), (20, 20108107), (29, 13867660), (58, 6933830), (67, 6002420), (79, 5090660), (116, 3466915), (131, 3069940), (134, 3001210), (145, 2773532), (158, 2545330), (262, 1534970), (268, 1500605), (290, 1386766), (316, 1272665), (335, 1200484), (395, 1018132), (524, 767485), (580, 693383), (655, 613988), (670, 600242), (790, 509066), (1310, 306994), (1340, 300121), (1580, 254533), (1943, 206980), (2291, 175540), (2620, 153497), (3799, 105860), (3886, 103490), (4582, 87770), (5293, 75980), (7598, 52930), (7772, 51745), (8777, 45820), (9164, 43885), (9715, 41396), (10349, 38860), (10586, 37990), (11455, 35108), (15196, 26465), (17554, 22910), (18995, 21172), (19430, 20698)]