28316700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:524

約数の個数: 108

約数和(自身を含む): 90181728

約数和(自身を除く): 61865028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 73, 75, 90, 100, 146, 150, 180, 219, 225, 292, 300, 365, 431, 438, 450, 657, 730, 862, 876, 900, 1095, 1293, 1314, 1460, 1724, 1825, 2155, 2190, 2586, 2628, 3285, 3650, 3879, 4310, 4380, 5172, 5475, 6465, 6570, 7300, 7758, 8620, 10775, 10950, 12930, 13140, 15516, 16425, 19395, 21550, 21900, 25860, 31463, 32325, 32850, 38790, 43100, 62926, 64650, 65700, 77580, 94389, 96975, 125852, 129300, 157315, 188778, 193950, 283167, 314630, 377556, 387900, 471945, 566334, 629260, 786575, 943890, 1132668, 1415835, 1573150, 1887780, 2359725, 2831670, 3146300, 4719450, 5663340, 7079175, 9438900, 14158350, 28316700]

約数ペア:

[(1, 28316700), (2, 14158350), (3, 9438900), (4, 7079175), (5, 5663340), (6, 4719450), (9, 3146300), (10, 2831670), (12, 2359725), (15, 1887780), (18, 1573150), (20, 1415835), (25, 1132668), (30, 943890), (36, 786575), (45, 629260), (50, 566334), (60, 471945), (73, 387900), (75, 377556), (90, 314630), (100, 283167), (146, 193950), (150, 188778), (180, 157315), (219, 129300), (225, 125852), (292, 96975), (300, 94389), (365, 77580), (431, 65700), (438, 64650), (450, 62926), (657, 43100), (730, 38790), (862, 32850), (876, 32325), (900, 31463), (1095, 25860), (1293, 21900), (1314, 21550), (1460, 19395), (1724, 16425), (1825, 15516), (2155, 13140), (2190, 12930), (2586, 10950), (2628, 10775), (3285, 8620), (3650, 7758), (3879, 7300), (4310, 6570), (4380, 6465), (5172, 5475)]