1784940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 5080320

約数和(自身を除く): 3295380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 419, 426, 710, 838, 852, 1065, 1257, 1420, 1676, 2095, 2130, 2514, 4190, 4260, 5028, 6285, 8380, 12570, 25140, 29749, 59498, 89247, 118996, 148745, 178494, 297490, 356988, 446235, 594980, 892470, 1784940]

約数ペア:

[(1, 1784940), (2, 892470), (3, 594980), (4, 446235), (5, 356988), (6, 297490), (10, 178494), (12, 148745), (15, 118996), (20, 89247), (30, 59498), (60, 29749), (71, 25140), (142, 12570), (213, 8380), (284, 6285), (355, 5028), (419, 4260), (426, 4190), (710, 2514), (838, 2130), (852, 2095), (1065, 1676), (1257, 1420)]