48989980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:299

約数の個数: 96

約数和(自身を含む): 119669760

約数和(自身を除く): 70679780

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 47, 52, 65, 76, 94, 95, 130, 188, 190, 211, 235, 247, 260, 380, 422, 470, 494, 611, 844, 893, 940, 988, 1055, 1222, 1235, 1786, 2110, 2444, 2470, 2743, 3055, 3572, 4009, 4220, 4465, 4940, 5486, 6110, 8018, 8930, 9917, 10972, 11609, 12220, 13715, 16036, 17860, 19834, 20045, 23218, 27430, 39668, 40090, 46436, 49585, 52117, 54860, 58045, 80180, 99170, 104234, 116090, 128921, 188423, 198340, 208468, 232180, 257842, 260585, 376846, 515684, 521170, 644605, 753692, 942115, 1042340, 1289210, 1884230, 2449499, 2578420, 3768460, 4898998, 9797996, 12247495, 24494990, 48989980]

約数ペア:

[(1, 48989980), (2, 24494990), (4, 12247495), (5, 9797996), (10, 4898998), (13, 3768460), (19, 2578420), (20, 2449499), (26, 1884230), (38, 1289210), (47, 1042340), (52, 942115), (65, 753692), (76, 644605), (94, 521170), (95, 515684), (130, 376846), (188, 260585), (190, 257842), (211, 232180), (235, 208468), (247, 198340), (260, 188423), (380, 128921), (422, 116090), (470, 104234), (494, 99170), (611, 80180), (844, 58045), (893, 54860), (940, 52117), (988, 49585), (1055, 46436), (1222, 40090), (1235, 39668), (1786, 27430), (2110, 23218), (2444, 20045), (2470, 19834), (2743, 17860), (3055, 16036), (3572, 13715), (4009, 12220), (4220, 11609), (4465, 10972), (4940, 9917), (5486, 8930), (6110, 8018)]