201829840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{839}}^1$

素因数の和:980

約数の個数: 80

約数和(自身を含む): 489968640

約数和(自身を除く): 288138800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 97, 124, 155, 194, 248, 310, 388, 485, 496, 620, 776, 839, 970, 1240, 1552, 1678, 1940, 2480, 3007, 3356, 3880, 4195, 6014, 6712, 7760, 8390, 12028, 13424, 15035, 16780, 24056, 26009, 30070, 33560, 48112, 52018, 60140, 67120, 81383, 104036, 120280, 130045, 162766, 208072, 240560, 260090, 325532, 406915, 416144, 520180, 651064, 813830, 1040360, 1302128, 1627660, 2080720, 2522873, 3255320, 5045746, 6510640, 10091492, 12614365, 20182984, 25228730, 40365968, 50457460, 100914920, 201829840]

約数ペア:

[(1, 201829840), (2, 100914920), (4, 50457460), (5, 40365968), (8, 25228730), (10, 20182984), (16, 12614365), (20, 10091492), (31, 6510640), (40, 5045746), (62, 3255320), (80, 2522873), (97, 2080720), (124, 1627660), (155, 1302128), (194, 1040360), (248, 813830), (310, 651064), (388, 520180), (485, 416144), (496, 406915), (620, 325532), (776, 260090), (839, 240560), (970, 208072), (1240, 162766), (1552, 130045), (1678, 120280), (1940, 104036), (2480, 81383), (3007, 67120), (3356, 60140), (3880, 52018), (4195, 48112), (6014, 33560), (6712, 30070), (7760, 26009), (8390, 24056), (12028, 16780), (13424, 15035)]