79456100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:154

約数の個数: 108

約数和(自身を含む): 190487808

約数和(自身を除く): 111031708

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 71, 76, 95, 100, 124, 142, 155, 190, 284, 310, 355, 361, 380, 475, 589, 620, 710, 722, 775, 950, 1178, 1349, 1420, 1444, 1550, 1775, 1805, 1900, 2201, 2356, 2698, 2945, 3100, 3550, 3610, 4402, 5396, 5890, 6745, 7100, 7220, 8804, 9025, 11005, 11191, 11780, 13490, 14725, 18050, 22010, 22382, 25631, 26980, 29450, 33725, 36100, 41819, 44020, 44764, 51262, 55025, 55955, 58900, 67450, 83638, 102524, 110050, 111910, 128155, 134900, 167276, 209095, 220100, 223820, 256310, 279775, 418190, 512620, 559550, 640775, 794561, 836380, 1045475, 1119100, 1281550, 1589122, 2090950, 2563100, 3178244, 3972805, 4181900, 7945610, 15891220, 19864025, 39728050, 79456100]

約数ペア:

[(1, 79456100), (2, 39728050), (4, 19864025), (5, 15891220), (10, 7945610), (19, 4181900), (20, 3972805), (25, 3178244), (31, 2563100), (38, 2090950), (50, 1589122), (62, 1281550), (71, 1119100), (76, 1045475), (95, 836380), (100, 794561), (124, 640775), (142, 559550), (155, 512620), (190, 418190), (284, 279775), (310, 256310), (355, 223820), (361, 220100), (380, 209095), (475, 167276), (589, 134900), (620, 128155), (710, 111910), (722, 110050), (775, 102524), (950, 83638), (1178, 67450), (1349, 58900), (1420, 55955), (1444, 55025), (1550, 51262), (1775, 44764), (1805, 44020), (1900, 41819), (2201, 36100), (2356, 33725), (2698, 29450), (2945, 26980), (3100, 25631), (3550, 22382), (3610, 22010), (4402, 18050), (5396, 14725), (5890, 13490), (6745, 11780), (7100, 11191), (7220, 11005), (8804, 9025)]