402436804

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:350

約数の個数: 108

約数和(自身を含む): 916997760

約数和(自身を除く): 514560956

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 71, 77, 98, 121, 142, 154, 196, 239, 242, 284, 308, 478, 484, 497, 539, 781, 847, 956, 994, 1078, 1562, 1673, 1694, 1988, 2156, 2629, 3124, 3346, 3388, 3479, 5258, 5467, 5929, 6692, 6958, 8591, 10516, 10934, 11711, 11858, 13916, 16969, 17182, 18403, 21868, 23422, 23716, 28919, 33938, 34364, 36806, 38269, 46844, 57838, 60137, 67876, 73612, 76538, 115676, 118783, 120274, 128821, 153076, 186659, 202433, 237566, 240548, 257642, 373318, 404866, 420959, 475132, 515284, 746636, 809732, 831481, 841918, 1306613, 1417031, 1662962, 1683836, 2053249, 2613226, 2834062, 3325924, 4106498, 5226452, 5668124, 8212996, 9146291, 14372743, 18292582, 28745486, 36585164, 57490972, 100609201, 201218402, 402436804]

約数ペア:

[(1, 402436804), (2, 201218402), (4, 100609201), (7, 57490972), (11, 36585164), (14, 28745486), (22, 18292582), (28, 14372743), (44, 9146291), (49, 8212996), (71, 5668124), (77, 5226452), (98, 4106498), (121, 3325924), (142, 2834062), (154, 2613226), (196, 2053249), (239, 1683836), (242, 1662962), (284, 1417031), (308, 1306613), (478, 841918), (484, 831481), (497, 809732), (539, 746636), (781, 515284), (847, 475132), (956, 420959), (994, 404866), (1078, 373318), (1562, 257642), (1673, 240548), (1694, 237566), (1988, 202433), (2156, 186659), (2629, 153076), (3124, 128821), (3346, 120274), (3388, 118783), (3479, 115676), (5258, 76538), (5467, 73612), (5929, 67876), (6692, 60137), (6958, 57838), (8591, 46844), (10516, 38269), (10934, 36806), (11711, 34364), (11858, 33938), (13916, 28919), (16969, 23716), (17182, 23422), (18403, 21868)]