389853830

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{829}}^1$

素因数の和:945

約数の個数: 64

約数和(自身を含む): 763015680

約数和(自身を除く): 373161850

約数列:

[1, 2, 5, 10, 31, 37, 41, 62, 74, 82, 155, 185, 205, 310, 370, 410, 829, 1147, 1271, 1517, 1658, 2294, 2542, 3034, 4145, 5735, 6355, 7585, 8290, 11470, 12710, 15170, 25699, 30673, 33989, 47027, 51398, 61346, 67978, 94054, 128495, 153365, 169945, 235135, 256990, 306730, 339890, 470270, 950863, 1053659, 1257593, 1901726, 2107318, 2515186, 4754315, 5268295, 6287965, 9508630, 10536590, 12575930, 38985383, 77970766, 194926915, 389853830]

約数ペア:

[(1, 389853830), (2, 194926915), (5, 77970766), (10, 38985383), (31, 12575930), (37, 10536590), (41, 9508630), (62, 6287965), (74, 5268295), (82, 4754315), (155, 2515186), (185, 2107318), (205, 1901726), (310, 1257593), (370, 1053659), (410, 950863), (829, 470270), (1147, 339890), (1271, 306730), (1517, 256990), (1658, 235135), (2294, 169945), (2542, 153365), (3034, 128495), (4145, 94054), (5735, 67978), (6355, 61346), (7585, 51398), (8290, 47027), (11470, 33989), (12710, 30673), (15170, 25699)]