31447900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:172

約数の個数: 108

約数和(自身を含む): 78963696

約数和(自身を除く): 47515796

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 92, 100, 110, 113, 115, 121, 220, 226, 230, 242, 253, 275, 452, 460, 484, 506, 550, 565, 575, 605, 1012, 1100, 1130, 1150, 1210, 1243, 1265, 2260, 2300, 2420, 2486, 2530, 2599, 2783, 2825, 3025, 4972, 5060, 5198, 5566, 5650, 6050, 6215, 6325, 10396, 11132, 11300, 12100, 12430, 12650, 12995, 13673, 13915, 24860, 25300, 25990, 27346, 27830, 28589, 31075, 51980, 54692, 55660, 57178, 62150, 64975, 68365, 69575, 114356, 124300, 129950, 136730, 139150, 142945, 259900, 273460, 278300, 285890, 314479, 341825, 571780, 628958, 683650, 714725, 1257916, 1367300, 1429450, 1572395, 2858900, 3144790, 6289580, 7861975, 15723950, 31447900]

約数ペア:

[(1, 31447900), (2, 15723950), (4, 7861975), (5, 6289580), (10, 3144790), (11, 2858900), (20, 1572395), (22, 1429450), (23, 1367300), (25, 1257916), (44, 714725), (46, 683650), (50, 628958), (55, 571780), (92, 341825), (100, 314479), (110, 285890), (113, 278300), (115, 273460), (121, 259900), (220, 142945), (226, 139150), (230, 136730), (242, 129950), (253, 124300), (275, 114356), (452, 69575), (460, 68365), (484, 64975), (506, 62150), (550, 57178), (565, 55660), (575, 54692), (605, 51980), (1012, 31075), (1100, 28589), (1130, 27830), (1150, 27346), (1210, 25990), (1243, 25300), (1265, 24860), (2260, 13915), (2300, 13673), (2420, 12995), (2486, 12650), (2530, 12430), (2599, 12100), (2783, 11300), (2825, 11132), (3025, 10396), (4972, 6325), (5060, 6215), (5198, 6050), (5566, 5650)]