171877420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3163}}^1$

素因数の和:3215

約数の個数: 96

約数和(自身を含む): 446503680

約数和(自身を除く): 274626260

約数列:

[1, 2, 4, 5, 10, 11, 13, 19, 20, 22, 26, 38, 44, 52, 55, 65, 76, 95, 110, 130, 143, 190, 209, 220, 247, 260, 286, 380, 418, 494, 572, 715, 836, 988, 1045, 1235, 1430, 2090, 2470, 2717, 2860, 3163, 4180, 4940, 5434, 6326, 10868, 12652, 13585, 15815, 27170, 31630, 34793, 41119, 54340, 60097, 63260, 69586, 82238, 120194, 139172, 164476, 173965, 205595, 240388, 300485, 347930, 411190, 452309, 600970, 661067, 695860, 781261, 822380, 904618, 1201940, 1322134, 1562522, 1809236, 2261545, 2644268, 3125044, 3305335, 3906305, 4523090, 6610670, 7812610, 8593871, 9046180, 13221340, 15625220, 17187742, 34375484, 42969355, 85938710, 171877420]

約数ペア:

[(1, 171877420), (2, 85938710), (4, 42969355), (5, 34375484), (10, 17187742), (11, 15625220), (13, 13221340), (19, 9046180), (20, 8593871), (22, 7812610), (26, 6610670), (38, 4523090), (44, 3906305), (52, 3305335), (55, 3125044), (65, 2644268), (76, 2261545), (95, 1809236), (110, 1562522), (130, 1322134), (143, 1201940), (190, 904618), (209, 822380), (220, 781261), (247, 695860), (260, 661067), (286, 600970), (380, 452309), (418, 411190), (494, 347930), (572, 300485), (715, 240388), (836, 205595), (988, 173965), (1045, 164476), (1235, 139172), (1430, 120194), (2090, 82238), (2470, 69586), (2717, 63260), (2860, 60097), (3163, 54340), (4180, 41119), (4940, 34793), (5434, 31630), (6326, 27170), (10868, 15815), (12652, 13585)]