290221504

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{7699}}^1$

素因数の和:7761

約数の個数: 56

約数和(自身を含む): 625856000

約数和(自身を除く): 335634496

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 152, 248, 304, 496, 589, 608, 992, 1178, 1216, 1984, 2356, 4712, 7699, 9424, 15398, 18848, 30796, 37696, 61592, 123184, 146281, 238669, 246368, 292562, 477338, 492736, 585124, 954676, 1170248, 1909352, 2340496, 3818704, 4534711, 4680992, 7637408, 9069422, 9361984, 15274816, 18138844, 36277688, 72555376, 145110752, 290221504]

約数ペア:

[(1, 290221504), (2, 145110752), (4, 72555376), (8, 36277688), (16, 18138844), (19, 15274816), (31, 9361984), (32, 9069422), (38, 7637408), (62, 4680992), (64, 4534711), (76, 3818704), (124, 2340496), (152, 1909352), (248, 1170248), (304, 954676), (496, 585124), (589, 492736), (608, 477338), (992, 292562), (1178, 246368), (1216, 238669), (1984, 146281), (2356, 123184), (4712, 61592), (7699, 37696), (9424, 30796), (15398, 18848)]