31079720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:283

約数の個数: 96

約数和(自身を含む): 82675080

約数和(自身を除く): 51595360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 101, 140, 157, 196, 202, 245, 280, 314, 392, 404, 490, 505, 628, 707, 785, 808, 980, 1010, 1099, 1256, 1414, 1570, 1960, 2020, 2198, 2828, 3140, 3535, 4040, 4396, 4949, 5495, 5656, 6280, 7070, 7693, 8792, 9898, 10990, 14140, 15386, 15857, 19796, 21980, 24745, 28280, 30772, 31714, 38465, 39592, 43960, 49490, 61544, 63428, 76930, 79285, 98980, 110999, 126856, 153860, 158570, 197960, 221998, 307720, 317140, 443996, 554995, 634280, 776993, 887992, 1109990, 1553986, 2219980, 3107972, 3884965, 4439960, 6215944, 7769930, 15539860, 31079720]

約数ペア:

[(1, 31079720), (2, 15539860), (4, 7769930), (5, 6215944), (7, 4439960), (8, 3884965), (10, 3107972), (14, 2219980), (20, 1553986), (28, 1109990), (35, 887992), (40, 776993), (49, 634280), (56, 554995), (70, 443996), (98, 317140), (101, 307720), (140, 221998), (157, 197960), (196, 158570), (202, 153860), (245, 126856), (280, 110999), (314, 98980), (392, 79285), (404, 76930), (490, 63428), (505, 61544), (628, 49490), (707, 43960), (785, 39592), (808, 38465), (980, 31714), (1010, 30772), (1099, 28280), (1256, 24745), (1414, 21980), (1570, 19796), (1960, 15857), (2020, 15386), (2198, 14140), (2828, 10990), (3140, 9898), (3535, 8792), (4040, 7693), (4396, 7070), (4949, 6280), (5495, 5656)]