131971340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:735

約数の個数: 96

約数和(自身を含む): 319334400

約数和(自身を除く): 187363060

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 31, 34, 38, 62, 68, 76, 85, 95, 124, 155, 170, 190, 310, 323, 340, 380, 527, 589, 620, 646, 659, 1054, 1178, 1292, 1318, 1615, 2108, 2356, 2635, 2636, 2945, 3230, 3295, 5270, 5890, 6460, 6590, 10013, 10540, 11203, 11780, 12521, 13180, 20026, 20429, 22406, 25042, 40052, 40858, 44812, 50065, 50084, 56015, 62605, 81716, 100130, 102145, 112030, 125210, 200260, 204290, 212857, 224060, 250420, 347293, 388151, 408580, 425714, 694586, 776302, 851428, 1064285, 1389172, 1552604, 1736465, 1940755, 2128570, 3472930, 3881510, 4257140, 6598567, 6945860, 7763020, 13197134, 26394268, 32992835, 65985670, 131971340]

約数ペア:

[(1, 131971340), (2, 65985670), (4, 32992835), (5, 26394268), (10, 13197134), (17, 7763020), (19, 6945860), (20, 6598567), (31, 4257140), (34, 3881510), (38, 3472930), (62, 2128570), (68, 1940755), (76, 1736465), (85, 1552604), (95, 1389172), (124, 1064285), (155, 851428), (170, 776302), (190, 694586), (310, 425714), (323, 408580), (340, 388151), (380, 347293), (527, 250420), (589, 224060), (620, 212857), (646, 204290), (659, 200260), (1054, 125210), (1178, 112030), (1292, 102145), (1318, 100130), (1615, 81716), (2108, 62605), (2356, 56015), (2635, 50084), (2636, 50065), (2945, 44812), (3230, 40858), (3295, 40052), (5270, 25042), (5890, 22406), (6460, 20429), (6590, 20026), (10013, 13180), (10540, 12521), (11203, 11780)]