968656420

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1\times {\mathrm{977}}^1$

素因数の和:1632

約数の個数: 48

約数和(自身を含む): 2062836720

約数和(自身を除く): 1094180300

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 557, 890, 977, 1114, 1780, 1954, 2228, 2785, 3908, 4885, 5570, 9770, 11140, 19540, 49573, 86953, 99146, 173906, 198292, 247865, 347812, 434765, 495730, 544189, 869530, 991460, 1088378, 1739060, 2176756, 2720945, 5441890, 10883780, 48432821, 96865642, 193731284, 242164105, 484328210, 968656420]

約数ペア:

[(1, 968656420), (2, 484328210), (4, 242164105), (5, 193731284), (10, 96865642), (20, 48432821), (89, 10883780), (178, 5441890), (356, 2720945), (445, 2176756), (557, 1739060), (890, 1088378), (977, 991460), (1114, 869530), (1780, 544189), (1954, 495730), (2228, 434765), (2785, 347812), (3908, 247865), (4885, 198292), (5570, 173906), (9770, 99146), (11140, 86953), (19540, 49573)]