199438900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:218

約数の個数: 108

約数和(自身を含む): 471129568

約数和(自身を除く): 271690668

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 67, 68, 85, 100, 103, 134, 170, 206, 268, 289, 335, 340, 412, 425, 515, 578, 670, 850, 1030, 1139, 1156, 1340, 1445, 1675, 1700, 1751, 2060, 2278, 2575, 2890, 3350, 3502, 4556, 5150, 5695, 5780, 6700, 6901, 7004, 7225, 8755, 10300, 11390, 13802, 14450, 17510, 19363, 22780, 27604, 28475, 28900, 29767, 34505, 35020, 38726, 43775, 56950, 59534, 69010, 77452, 87550, 96815, 113900, 117317, 119068, 138020, 148835, 172525, 175100, 193630, 234634, 297670, 345050, 387260, 469268, 484075, 586585, 595340, 690100, 744175, 968150, 1173170, 1488350, 1936300, 1994389, 2346340, 2932925, 2976700, 3988778, 5865850, 7977556, 9971945, 11731700, 19943890, 39887780, 49859725, 99719450, 199438900]

約数ペア:

[(1, 199438900), (2, 99719450), (4, 49859725), (5, 39887780), (10, 19943890), (17, 11731700), (20, 9971945), (25, 7977556), (34, 5865850), (50, 3988778), (67, 2976700), (68, 2932925), (85, 2346340), (100, 1994389), (103, 1936300), (134, 1488350), (170, 1173170), (206, 968150), (268, 744175), (289, 690100), (335, 595340), (340, 586585), (412, 484075), (425, 469268), (515, 387260), (578, 345050), (670, 297670), (850, 234634), (1030, 193630), (1139, 175100), (1156, 172525), (1340, 148835), (1445, 138020), (1675, 119068), (1700, 117317), (1751, 113900), (2060, 96815), (2278, 87550), (2575, 77452), (2890, 69010), (3350, 59534), (3502, 56950), (4556, 43775), (5150, 38726), (5695, 35020), (5780, 34505), (6700, 29767), (6901, 28900), (7004, 28475), (7225, 27604), (8755, 22780), (10300, 19363), (11390, 17510), (13802, 14450)]