39149900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 89410944

約数和(自身を除く): 50261044

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 73, 100, 124, 146, 155, 173, 292, 310, 346, 365, 620, 692, 730, 775, 865, 1460, 1550, 1730, 1825, 2263, 3100, 3460, 3650, 4325, 4526, 5363, 7300, 8650, 9052, 10726, 11315, 12629, 17300, 21452, 22630, 25258, 26815, 45260, 50516, 53630, 56575, 63145, 107260, 113150, 126290, 134075, 226300, 252580, 268150, 315725, 391499, 536300, 631450, 782998, 1262900, 1565996, 1957495, 3914990, 7829980, 9787475, 19574950, 39149900]

約数ペア:

[(1, 39149900), (2, 19574950), (4, 9787475), (5, 7829980), (10, 3914990), (20, 1957495), (25, 1565996), (31, 1262900), (50, 782998), (62, 631450), (73, 536300), (100, 391499), (124, 315725), (146, 268150), (155, 252580), (173, 226300), (292, 134075), (310, 126290), (346, 113150), (365, 107260), (620, 63145), (692, 56575), (730, 53630), (775, 50516), (865, 45260), (1460, 26815), (1550, 25258), (1730, 22630), (1825, 21452), (2263, 17300), (3100, 12629), (3460, 11315), (3650, 10726), (4325, 9052), (4526, 8650), (5363, 7300)]