6420100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 15276800

約数和(自身を除く): 8856700

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 76, 95, 100, 109, 124, 155, 190, 218, 310, 380, 436, 475, 545, 589, 620, 775, 950, 1090, 1178, 1550, 1900, 2071, 2180, 2356, 2725, 2945, 3100, 3379, 4142, 5450, 5890, 6758, 8284, 10355, 10900, 11780, 13516, 14725, 16895, 20710, 29450, 33790, 41420, 51775, 58900, 64201, 67580, 84475, 103550, 128402, 168950, 207100, 256804, 321005, 337900, 642010, 1284020, 1605025, 3210050, 6420100]

約数ペア:

[(1, 6420100), (2, 3210050), (4, 1605025), (5, 1284020), (10, 642010), (19, 337900), (20, 321005), (25, 256804), (31, 207100), (38, 168950), (50, 128402), (62, 103550), (76, 84475), (95, 67580), (100, 64201), (109, 58900), (124, 51775), (155, 41420), (190, 33790), (218, 29450), (310, 20710), (380, 16895), (436, 14725), (475, 13516), (545, 11780), (589, 10900), (620, 10355), (775, 8284), (950, 6758), (1090, 5890), (1178, 5450), (1550, 4142), (1900, 3379), (2071, 3100), (2180, 2945), (2356, 2725)]