189609875

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 296325120

約数和(自身を除く): 106715245

約数列:

[1, 5, 7, 13, 25, 35, 65, 79, 91, 125, 175, 211, 325, 395, 455, 553, 875, 1027, 1055, 1477, 1625, 1975, 2275, 2743, 2765, 5135, 5275, 7189, 7385, 9875, 11375, 13715, 13825, 16669, 19201, 25675, 26375, 35945, 36925, 68575, 69125, 83345, 96005, 116683, 128375, 179725, 184625, 216697, 342875, 416725, 480025, 583415, 898625, 1083485, 1516879, 2083625, 2400125, 2917075, 5417425, 7584395, 14585375, 27087125, 37921975, 189609875]

約数ペア:

[(1, 189609875), (5, 37921975), (7, 27087125), (13, 14585375), (25, 7584395), (35, 5417425), (65, 2917075), (79, 2400125), (91, 2083625), (125, 1516879), (175, 1083485), (211, 898625), (325, 583415), (395, 480025), (455, 416725), (553, 342875), (875, 216697), (1027, 184625), (1055, 179725), (1477, 128375), (1625, 116683), (1975, 96005), (2275, 83345), (2743, 69125), (2765, 68575), (5135, 36925), (5275, 35945), (7189, 26375), (7385, 25675), (9875, 19201), (11375, 16669), (13715, 13825)]