28033740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1171}}^1$

素因数の和:1212

約数の個数: 144

約数和(自身を含む): 102385920

約数和(自身を除く): 74352180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1171, 1197, 1260, 1330, 1596, 1710, 1995, 2342, 2394, 2660, 3420, 3513, 3990, 4684, 4788, 5855, 5985, 7026, 7980, 8197, 10539, 11710, 11970, 14052, 16394, 17565, 21078, 22249, 23420, 23940, 24591, 32788, 35130, 40985, 42156, 44498, 49182, 52695, 66747, 70260, 73773, 81970, 88996, 98364, 105390, 111245, 122955, 133494, 147546, 155743, 163940, 200241, 210780, 222490, 245910, 266988, 295092, 311486, 333735, 368865, 400482, 444980, 467229, 491820, 622972, 667470, 737730, 778715, 800964, 934458, 1001205, 1334940, 1401687, 1475460, 1557430, 1868916, 2002410, 2336145, 2803374, 3114860, 4004820, 4672290, 5606748, 7008435, 9344580, 14016870, 28033740]

約数ペア:

[(1, 28033740), (2, 14016870), (3, 9344580), (4, 7008435), (5, 5606748), (6, 4672290), (7, 4004820), (9, 3114860), (10, 2803374), (12, 2336145), (14, 2002410), (15, 1868916), (18, 1557430), (19, 1475460), (20, 1401687), (21, 1334940), (28, 1001205), (30, 934458), (35, 800964), (36, 778715), (38, 737730), (42, 667470), (45, 622972), (57, 491820), (60, 467229), (63, 444980), (70, 400482), (76, 368865), (84, 333735), (90, 311486), (95, 295092), (105, 266988), (114, 245910), (126, 222490), (133, 210780), (140, 200241), (171, 163940), (180, 155743), (190, 147546), (210, 133494), (228, 122955), (252, 111245), (266, 105390), (285, 98364), (315, 88996), (342, 81970), (380, 73773), (399, 70260), (420, 66747), (532, 52695), (570, 49182), (630, 44498), (665, 42156), (684, 40985), (798, 35130), (855, 32788), (1140, 24591), (1171, 23940), (1197, 23420), (1260, 22249), (1330, 21078), (1596, 17565), (1710, 16394), (1995, 14052), (2342, 11970), (2394, 11710), (2660, 10539), (3420, 8197), (3513, 7980), (3990, 7026), (4684, 5985), (4788, 5855)]