31003100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 70912128

約数和(自身を除く): 39909028

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 73, 100, 124, 137, 146, 155, 274, 292, 310, 365, 548, 620, 685, 730, 775, 1370, 1460, 1550, 1825, 2263, 2740, 3100, 3425, 3650, 4247, 4526, 6850, 7300, 8494, 9052, 10001, 11315, 13700, 16988, 20002, 21235, 22630, 40004, 42470, 45260, 50005, 56575, 84940, 100010, 106175, 113150, 200020, 212350, 226300, 250025, 310031, 424700, 500050, 620062, 1000100, 1240124, 1550155, 3100310, 6200620, 7750775, 15501550, 31003100]

約数ペア:

[(1, 31003100), (2, 15501550), (4, 7750775), (5, 6200620), (10, 3100310), (20, 1550155), (25, 1240124), (31, 1000100), (50, 620062), (62, 500050), (73, 424700), (100, 310031), (124, 250025), (137, 226300), (146, 212350), (155, 200020), (274, 113150), (292, 106175), (310, 100010), (365, 84940), (548, 56575), (620, 50005), (685, 45260), (730, 42470), (775, 40004), (1370, 22630), (1460, 21235), (1550, 20002), (1825, 16988), (2263, 13700), (2740, 11315), (3100, 10001), (3425, 9052), (3650, 8494), (4247, 7300), (4526, 6850)]