18888931625

素因数分解:

$5^3\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:348

約数の個数: 96

約数和(自身を含む): 26261673984

約数和(自身を除く): 7372742359

約数列:

[1, 5, 17, 25, 31, 85, 101, 125, 155, 167, 289, 425, 505, 527, 775, 835, 1445, 1717, 2125, 2525, 2635, 2839, 3131, 3875, 4175, 5177, 7225, 8585, 8959, 12625, 13175, 14195, 15655, 16867, 20875, 25885, 29189, 36125, 42925, 44795, 48263, 53227, 65875, 70975, 78275, 84335, 88009, 129425, 145945, 214625, 223975, 241315, 266135, 286739, 354875, 391375, 421675, 440045, 522877, 647125, 729725, 904859, 1119875, 1206575, 1330675, 1433695, 1496153, 2108375, 2200225, 2614385, 3648625, 4524295, 4874563, 6032875, 6653375, 7168475, 7480765, 8888909, 11001125, 13071925, 22621475, 24372815, 35842375, 37403825, 44444545, 65359625, 113107375, 121864075, 151111453, 187019125, 222222725, 609320375, 755557265, 1111113625, 3777786325, 18888931625]

約数ペア:

[(1, 18888931625), (5, 3777786325), (17, 1111113625), (25, 755557265), (31, 609320375), (85, 222222725), (101, 187019125), (125, 151111453), (155, 121864075), (167, 113107375), (289, 65359625), (425, 44444545), (505, 37403825), (527, 35842375), (775, 24372815), (835, 22621475), (1445, 13071925), (1717, 11001125), (2125, 8888909), (2525, 7480765), (2635, 7168475), (2839, 6653375), (3131, 6032875), (3875, 4874563), (4175, 4524295), (5177, 3648625), (7225, 2614385), (8585, 2200225), (8959, 2108375), (12625, 1496153), (13175, 1433695), (14195, 1330675), (15655, 1206575), (16867, 1119875), (20875, 904859), (25885, 729725), (29189, 647125), (36125, 522877), (42925, 440045), (44795, 421675), (48263, 391375), (53227, 354875), (65875, 286739), (70975, 266135), (78275, 241315), (84335, 223975), (88009, 214625), (129425, 145945)]