408097808

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1$

素因数の和:520

約数の個数: 80

約数和(自身を含む): 862593600

約数和(自身を除く): 454495792

約数列:

[1, 2, 4, 8, 16, 19, 38, 59, 61, 76, 118, 122, 152, 236, 244, 304, 373, 472, 488, 746, 944, 976, 1121, 1159, 1492, 2242, 2318, 2984, 3599, 4484, 4636, 5968, 7087, 7198, 8968, 9272, 14174, 14396, 17936, 18544, 22007, 22753, 28348, 28792, 44014, 45506, 56696, 57584, 68381, 88028, 91012, 113392, 136762, 176056, 182024, 273524, 352112, 364048, 418133, 432307, 547048, 836266, 864614, 1094096, 1342427, 1672532, 1729228, 2684854, 3345064, 3458456, 5369708, 6690128, 6916912, 10739416, 21478832, 25506113, 51012226, 102024452, 204048904, 408097808]

約数ペア:

[(1, 408097808), (2, 204048904), (4, 102024452), (8, 51012226), (16, 25506113), (19, 21478832), (38, 10739416), (59, 6916912), (61, 6690128), (76, 5369708), (118, 3458456), (122, 3345064), (152, 2684854), (236, 1729228), (244, 1672532), (304, 1342427), (373, 1094096), (472, 864614), (488, 836266), (746, 547048), (944, 432307), (976, 418133), (1121, 364048), (1159, 352112), (1492, 273524), (2242, 182024), (2318, 176056), (2984, 136762), (3599, 113392), (4484, 91012), (4636, 88028), (5968, 68381), (7087, 57584), (7198, 56696), (8968, 45506), (9272, 44014), (14174, 28792), (14396, 28348), (17936, 22753), (18544, 22007)]