298766320

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{409}}^1$

素因数の和:842

約数の個数: 80

約数和(自身を含む): 728435520

約数和(自身を除く): 429669200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 397, 409, 460, 794, 818, 920, 1588, 1636, 1840, 1985, 2045, 3176, 3272, 3970, 4090, 6352, 6544, 7940, 8180, 9131, 9407, 15880, 16360, 18262, 18814, 31760, 32720, 36524, 37628, 45655, 47035, 73048, 75256, 91310, 94070, 146096, 150512, 162373, 182620, 188140, 324746, 365240, 376280, 649492, 730480, 752560, 811865, 1298984, 1623730, 2597968, 3247460, 3734579, 6494920, 7469158, 12989840, 14938316, 18672895, 29876632, 37345790, 59753264, 74691580, 149383160, 298766320]

約数ペア:

[(1, 298766320), (2, 149383160), (4, 74691580), (5, 59753264), (8, 37345790), (10, 29876632), (16, 18672895), (20, 14938316), (23, 12989840), (40, 7469158), (46, 6494920), (80, 3734579), (92, 3247460), (115, 2597968), (184, 1623730), (230, 1298984), (368, 811865), (397, 752560), (409, 730480), (460, 649492), (794, 376280), (818, 365240), (920, 324746), (1588, 188140), (1636, 182620), (1840, 162373), (1985, 150512), (2045, 146096), (3176, 94070), (3272, 91310), (3970, 75256), (4090, 73048), (6352, 47035), (6544, 45655), (7940, 37628), (8180, 36524), (9131, 32720), (9407, 31760), (15880, 18814), (16360, 18262)]