199531980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{3917}}^1$

素因数の和:4215

約数の個数: 72

約数和(自身を含む): 607540752

約数和(自身を除く): 408008772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 283, 566, 849, 1132, 1415, 1698, 2547, 2830, 3396, 3917, 4245, 5094, 5660, 7834, 8490, 10188, 11751, 12735, 15668, 16980, 19585, 23502, 25470, 35253, 39170, 47004, 50940, 58755, 70506, 78340, 117510, 141012, 176265, 235020, 352530, 705060, 1108511, 2217022, 3325533, 4434044, 5542555, 6651066, 9976599, 11085110, 13302132, 16627665, 19953198, 22170220, 33255330, 39906396, 49882995, 66510660, 99765990, 199531980]

約数ペア:

[(1, 199531980), (2, 99765990), (3, 66510660), (4, 49882995), (5, 39906396), (6, 33255330), (9, 22170220), (10, 19953198), (12, 16627665), (15, 13302132), (18, 11085110), (20, 9976599), (30, 6651066), (36, 5542555), (45, 4434044), (60, 3325533), (90, 2217022), (180, 1108511), (283, 705060), (566, 352530), (849, 235020), (1132, 176265), (1415, 141012), (1698, 117510), (2547, 78340), (2830, 70506), (3396, 58755), (3917, 50940), (4245, 47004), (5094, 39170), (5660, 35253), (7834, 25470), (8490, 23502), (10188, 19585), (11751, 16980), (12735, 15668)]