78229900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:200

約数の個数: 144

約数和(自身を含む): 208986624

約数和(自身を除く): 130756724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 43, 46, 50, 70, 86, 92, 100, 113, 115, 140, 161, 172, 175, 215, 226, 230, 301, 322, 350, 430, 452, 460, 565, 575, 602, 644, 700, 791, 805, 860, 989, 1075, 1130, 1150, 1204, 1505, 1582, 1610, 1978, 2150, 2260, 2300, 2599, 2825, 3010, 3164, 3220, 3955, 3956, 4025, 4300, 4859, 4945, 5198, 5650, 6020, 6923, 7525, 7910, 8050, 9718, 9890, 10396, 11300, 12995, 13846, 15050, 15820, 16100, 18193, 19436, 19775, 19780, 24295, 24725, 25990, 27692, 30100, 34013, 34615, 36386, 39550, 48590, 49450, 51980, 64975, 68026, 69230, 72772, 79100, 90965, 97180, 98900, 111757, 121475, 129950, 136052, 138460, 170065, 173075, 181930, 223514, 242950, 259900, 340130, 346150, 363860, 447028, 454825, 485900, 558785, 680260, 692300, 782299, 850325, 909650, 1117570, 1564598, 1700650, 1819300, 2235140, 2793925, 3129196, 3401300, 3911495, 5587850, 7822990, 11175700, 15645980, 19557475, 39114950, 78229900]

約数ペア:

[(1, 78229900), (2, 39114950), (4, 19557475), (5, 15645980), (7, 11175700), (10, 7822990), (14, 5587850), (20, 3911495), (23, 3401300), (25, 3129196), (28, 2793925), (35, 2235140), (43, 1819300), (46, 1700650), (50, 1564598), (70, 1117570), (86, 909650), (92, 850325), (100, 782299), (113, 692300), (115, 680260), (140, 558785), (161, 485900), (172, 454825), (175, 447028), (215, 363860), (226, 346150), (230, 340130), (301, 259900), (322, 242950), (350, 223514), (430, 181930), (452, 173075), (460, 170065), (565, 138460), (575, 136052), (602, 129950), (644, 121475), (700, 111757), (791, 98900), (805, 97180), (860, 90965), (989, 79100), (1075, 72772), (1130, 69230), (1150, 68026), (1204, 64975), (1505, 51980), (1582, 49450), (1610, 48590), (1978, 39550), (2150, 36386), (2260, 34615), (2300, 34013), (2599, 30100), (2825, 27692), (3010, 25990), (3164, 24725), (3220, 24295), (3955, 19780), (3956, 19775), (4025, 19436), (4300, 18193), (4859, 16100), (4945, 15820), (5198, 15050), (5650, 13846), (6020, 12995), (6923, 11300), (7525, 10396), (7910, 9890), (8050, 9718)]