2078703380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{257}}^1\times {\mathrm{2393}}^1$

素因数の和:2685

約数の個数: 72

約数和(自身を含む): 4747273272

約数和(自身を除く): 2668569892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 257, 260, 338, 514, 676, 845, 1028, 1285, 1690, 2393, 2570, 3341, 3380, 4786, 5140, 6682, 9572, 11965, 13364, 16705, 23930, 31109, 33410, 43433, 47860, 62218, 66820, 86866, 124436, 155545, 173732, 217165, 311090, 404417, 434330, 615001, 622180, 808834, 868660, 1230002, 1617668, 2022085, 2460004, 3075005, 4044170, 6150010, 7995013, 8088340, 12300020, 15990026, 31980052, 39975065, 79950130, 103935169, 159900260, 207870338, 415740676, 519675845, 1039351690, 2078703380]

約数ペア:

[(1, 2078703380), (2, 1039351690), (4, 519675845), (5, 415740676), (10, 207870338), (13, 159900260), (20, 103935169), (26, 79950130), (52, 39975065), (65, 31980052), (130, 15990026), (169, 12300020), (257, 8088340), (260, 7995013), (338, 6150010), (514, 4044170), (676, 3075005), (845, 2460004), (1028, 2022085), (1285, 1617668), (1690, 1230002), (2393, 868660), (2570, 808834), (3341, 622180), (3380, 615001), (4786, 434330), (5140, 404417), (6682, 311090), (9572, 217165), (11965, 173732), (13364, 155545), (16705, 124436), (23930, 86866), (31109, 66820), (33410, 62218), (43433, 47860)]