8889423980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3191}}^1\times {\mathrm{7331}}^1$

素因数の和:10550

約数の個数: 48

約数和(自身を含む): 19659144960

約数和(自身を除く): 10769720980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 3191, 6382, 7331, 12764, 14662, 15955, 29324, 31910, 36655, 60629, 63820, 73310, 121258, 139289, 146620, 242516, 278578, 303145, 557156, 606290, 696445, 1212580, 1392890, 2785780, 23393221, 46786442, 93572884, 116966105, 233932210, 444471199, 467864420, 888942398, 1777884796, 2222355995, 4444711990, 8889423980]

約数ペア:

[(1, 8889423980), (2, 4444711990), (4, 2222355995), (5, 1777884796), (10, 888942398), (19, 467864420), (20, 444471199), (38, 233932210), (76, 116966105), (95, 93572884), (190, 46786442), (380, 23393221), (3191, 2785780), (6382, 1392890), (7331, 1212580), (12764, 696445), (14662, 606290), (15955, 557156), (29324, 303145), (31910, 278578), (36655, 242516), (60629, 146620), (63820, 139289), (73310, 121258)]