9210520940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{145139}}^1$

素因数の和:145334

約数の個数: 48

約数和(自身を含む): 20482156800

約数和(自身を除く): 11271635860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 167, 190, 334, 380, 668, 835, 1670, 3173, 3340, 6346, 12692, 15865, 31730, 63460, 145139, 290278, 580556, 725695, 1451390, 2757641, 2902780, 5515282, 11030564, 13788205, 24238213, 27576410, 48476426, 55152820, 96952852, 121191065, 242382130, 460526047, 484764260, 921052094, 1842104188, 2302630235, 4605260470, 9210520940]

約数ペア:

[(1, 9210520940), (2, 4605260470), (4, 2302630235), (5, 1842104188), (10, 921052094), (19, 484764260), (20, 460526047), (38, 242382130), (76, 121191065), (95, 96952852), (167, 55152820), (190, 48476426), (334, 27576410), (380, 24238213), (668, 13788205), (835, 11030564), (1670, 5515282), (3173, 2902780), (3340, 2757641), (6346, 1451390), (12692, 725695), (15865, 580556), (31730, 290278), (63460, 145139)]