189587320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:693

約数の個数: 128

約数和(自身を含む): 499968000

約数和(自身を除く): 310380680

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 95, 104, 124, 130, 152, 155, 190, 247, 248, 260, 310, 380, 403, 494, 520, 589, 619, 620, 760, 806, 988, 1178, 1235, 1238, 1240, 1612, 1976, 2015, 2356, 2470, 2476, 2945, 3095, 3224, 4030, 4712, 4940, 4952, 5890, 6190, 7657, 8047, 8060, 9880, 11761, 11780, 12380, 15314, 16094, 16120, 19189, 23522, 23560, 24760, 30628, 32188, 38285, 38378, 40235, 47044, 58805, 61256, 64376, 76570, 76756, 80470, 94088, 95945, 117610, 152893, 153140, 153512, 160940, 191890, 235220, 249457, 305786, 306280, 321880, 364591, 383780, 470440, 498914, 611572, 729182, 764465, 767560, 997828, 1223144, 1247285, 1458364, 1528930, 1822955, 1995656, 2494570, 2916728, 3057860, 3645910, 4739683, 4989140, 6115720, 7291820, 9479366, 9978280, 14583640, 18958732, 23698415, 37917464, 47396830, 94793660, 189587320]

約数ペア:

[(1, 189587320), (2, 94793660), (4, 47396830), (5, 37917464), (8, 23698415), (10, 18958732), (13, 14583640), (19, 9978280), (20, 9479366), (26, 7291820), (31, 6115720), (38, 4989140), (40, 4739683), (52, 3645910), (62, 3057860), (65, 2916728), (76, 2494570), (95, 1995656), (104, 1822955), (124, 1528930), (130, 1458364), (152, 1247285), (155, 1223144), (190, 997828), (247, 767560), (248, 764465), (260, 729182), (310, 611572), (380, 498914), (403, 470440), (494, 383780), (520, 364591), (589, 321880), (619, 306280), (620, 305786), (760, 249457), (806, 235220), (988, 191890), (1178, 160940), (1235, 153512), (1238, 153140), (1240, 152893), (1612, 117610), (1976, 95945), (2015, 94088), (2356, 80470), (2470, 76756), (2476, 76570), (2945, 64376), (3095, 61256), (3224, 58805), (4030, 47044), (4712, 40235), (4940, 38378), (4952, 38285), (5890, 32188), (6190, 30628), (7657, 24760), (8047, 23560), (8060, 23522), (9880, 19189), (11761, 16120), (11780, 16094), (12380, 15314)]