319988200

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:228

約数の個数: 192

約数和(自身を含む): 898513920

約数和(自身を除く): 578525720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 73, 100, 101, 124, 140, 146, 155, 175, 200, 202, 217, 248, 280, 292, 310, 350, 365, 404, 434, 505, 511, 584, 620, 700, 707, 730, 775, 808, 868, 1010, 1022, 1085, 1240, 1400, 1414, 1460, 1550, 1736, 1825, 2020, 2044, 2170, 2263, 2525, 2555, 2828, 2920, 3100, 3131, 3535, 3650, 4040, 4088, 4340, 4526, 5050, 5110, 5425, 5656, 6200, 6262, 7070, 7300, 7373, 8680, 9052, 10100, 10220, 10850, 11315, 12524, 12775, 14140, 14600, 14746, 15655, 15841, 17675, 18104, 20200, 20440, 21700, 21917, 22630, 25048, 25550, 28280, 29492, 31310, 31682, 35350, 36865, 43400, 43834, 45260, 51100, 51611, 56575, 58984, 62620, 63364, 70700, 73730, 78275, 79205, 87668, 90520, 102200, 103222, 109585, 113150, 125240, 126728, 141400, 147460, 156550, 158410, 175336, 184325, 206444, 219170, 226300, 228563, 258055, 294920, 313100, 316820, 368650, 396025, 412888, 438340, 452600, 457126, 516110, 547925, 626200, 633640, 737300, 792050, 876680, 914252, 1032220, 1095850, 1142815, 1290275, 1474600, 1584100, 1599941, 1828504, 2064440, 2191700, 2285630, 2580550, 3168200, 3199882, 4383400, 4571260, 5161100, 5714075, 6399764, 7999705, 9142520, 10322200, 11428150, 12799528, 15999410, 22856300, 31998820, 39998525, 45712600, 63997640, 79997050, 159994100, 319988200]

約数ペア:

[(1, 319988200), (2, 159994100), (4, 79997050), (5, 63997640), (7, 45712600), (8, 39998525), (10, 31998820), (14, 22856300), (20, 15999410), (25, 12799528), (28, 11428150), (31, 10322200), (35, 9142520), (40, 7999705), (50, 6399764), (56, 5714075), (62, 5161100), (70, 4571260), (73, 4383400), (100, 3199882), (101, 3168200), (124, 2580550), (140, 2285630), (146, 2191700), (155, 2064440), (175, 1828504), (200, 1599941), (202, 1584100), (217, 1474600), (248, 1290275), (280, 1142815), (292, 1095850), (310, 1032220), (350, 914252), (365, 876680), (404, 792050), (434, 737300), (505, 633640), (511, 626200), (584, 547925), (620, 516110), (700, 457126), (707, 452600), (730, 438340), (775, 412888), (808, 396025), (868, 368650), (1010, 316820), (1022, 313100), (1085, 294920), (1240, 258055), (1400, 228563), (1414, 226300), (1460, 219170), (1550, 206444), (1736, 184325), (1825, 175336), (2020, 158410), (2044, 156550), (2170, 147460), (2263, 141400), (2525, 126728), (2555, 125240), (2828, 113150), (2920, 109585), (3100, 103222), (3131, 102200), (3535, 90520), (3650, 87668), (4040, 79205), (4088, 78275), (4340, 73730), (4526, 70700), (5050, 63364), (5110, 62620), (5425, 58984), (5656, 56575), (6200, 51611), (6262, 51100), (7070, 45260), (7300, 43834), (7373, 43400), (8680, 36865), (9052, 35350), (10100, 31682), (10220, 31310), (10850, 29492), (11315, 28280), (12524, 25550), (12775, 25048), (14140, 22630), (14600, 21917), (14746, 21700), (15655, 20440), (15841, 20200), (17675, 18104)]