1001300

素因数分解:

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

素因数の和:81

約数の個数: 72

約数和(自身を含む): 2499840

約数和(自身を除く): 1498540

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 31, 34, 38, 50, 62, 68, 76, 85, 95, 100, 124, 155, 170, 190, 310, 323, 340, 380, 425, 475, 527, 589, 620, 646, 775, 850, 950, 1054, 1178, 1292, 1550, 1615, 1700, 1900, 2108, 2356, 2635, 2945, 3100, 3230, 5270, 5890, 6460, 8075, 10013, 10540, 11780, 13175, 14725, 16150, 20026, 26350, 29450, 32300, 40052, 50065, 52700, 58900, 100130, 200260, 250325, 500650, 1001300]

約数ペア:

[(1, 1001300), (2, 500650), (4, 250325), (5, 200260), (10, 100130), (17, 58900), (19, 52700), (20, 50065), (25, 40052), (31, 32300), (34, 29450), (38, 26350), (50, 20026), (62, 16150), (68, 14725), (76, 13175), (85, 11780), (95, 10540), (100, 10013), (124, 8075), (155, 6460), (170, 5890), (190, 5270), (310, 3230), (323, 3100), (340, 2945), (380, 2635), (425, 2356), (475, 2108), (527, 1900), (589, 1700), (620, 1615), (646, 1550), (775, 1292), (850, 1178), (950, 1054)]