42278420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 100101120

約数和(自身を除く): 57822700

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 37, 38, 62, 74, 76, 95, 97, 124, 148, 155, 185, 190, 194, 310, 370, 380, 388, 485, 589, 620, 703, 740, 970, 1147, 1178, 1406, 1843, 1940, 2294, 2356, 2812, 2945, 3007, 3515, 3589, 3686, 4588, 5735, 5890, 6014, 7030, 7178, 7372, 9215, 11470, 11780, 12028, 14060, 14356, 15035, 17945, 18430, 21793, 22940, 30070, 35890, 36860, 43586, 57133, 60140, 68191, 71780, 87172, 108965, 111259, 114266, 136382, 217930, 222518, 228532, 272764, 285665, 340955, 435860, 445036, 556295, 571330, 681910, 1112590, 1142660, 1363820, 2113921, 2225180, 4227842, 8455684, 10569605, 21139210, 42278420]

約数ペア:

[(1, 42278420), (2, 21139210), (4, 10569605), (5, 8455684), (10, 4227842), (19, 2225180), (20, 2113921), (31, 1363820), (37, 1142660), (38, 1112590), (62, 681910), (74, 571330), (76, 556295), (95, 445036), (97, 435860), (124, 340955), (148, 285665), (155, 272764), (185, 228532), (190, 222518), (194, 217930), (310, 136382), (370, 114266), (380, 111259), (388, 108965), (485, 87172), (589, 71780), (620, 68191), (703, 60140), (740, 57133), (970, 43586), (1147, 36860), (1178, 35890), (1406, 30070), (1843, 22940), (1940, 21793), (2294, 18430), (2356, 17945), (2812, 15035), (2945, 14356), (3007, 14060), (3515, 12028), (3589, 11780), (3686, 11470), (4588, 9215), (5735, 7372), (5890, 7178), (6014, 7030)]