78993460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43403}}^1$

素因数の和:43432

約数の個数: 48

約数和(自身を含む): 204172416

約数和(自身を除く): 125178956

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 43403, 86806, 173612, 217015, 303821, 434030, 564239, 607642, 868060, 1128478, 1215284, 1519105, 2256956, 2821195, 3038210, 3949673, 5642390, 6076420, 7899346, 11284780, 15798692, 19748365, 39496730, 78993460]

約数ペア:

[(1, 78993460), (2, 39496730), (4, 19748365), (5, 15798692), (7, 11284780), (10, 7899346), (13, 6076420), (14, 5642390), (20, 3949673), (26, 3038210), (28, 2821195), (35, 2256956), (52, 1519105), (65, 1215284), (70, 1128478), (91, 868060), (130, 607642), (140, 564239), (182, 434030), (260, 303821), (364, 217015), (455, 173612), (910, 86806), (1820, 43403)]