28375260060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{507971}}^1$

素因数の和:508016

約数の個数: 144

約数和(自身を含む): 97286797440

約数和(自身を除く): 68911537380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1330, 1470, 1596, 1862, 1995, 2660, 2793, 2940, 3724, 3990, 4655, 5586, 7980, 9310, 11172, 13965, 18620, 27930, 55860, 507971, 1015942, 1523913, 2031884, 2539855, 3047826, 3555797, 5079710, 6095652, 7111594, 7619565, 9651449, 10159420, 10667391, 14223188, 15239130, 17778985, 19302898, 21334782, 24890579, 28954347, 30478260, 35557970, 38605796, 42669564, 48257245, 49781158, 53336955, 57908694, 67560143, 71115940, 74671737, 96514490, 99562316, 106673910, 115817388, 124452895, 135120286, 144771735, 149343474, 193028980, 202680429, 213347820, 248905790, 270240572, 289543470, 298686948, 337800715, 373358685, 405360858, 472921001, 497811580, 579086940, 675601430, 746717370, 810721716, 945842002, 1013402145, 1351202860, 1418763003, 1493434740, 1891684004, 2026804290, 2364605005, 2837526006, 4053608580, 4729210010, 5675052012, 7093815015, 9458420020, 14187630030, 28375260060]

約数ペア:

[(1, 28375260060), (2, 14187630030), (3, 9458420020), (4, 7093815015), (5, 5675052012), (6, 4729210010), (7, 4053608580), (10, 2837526006), (12, 2364605005), (14, 2026804290), (15, 1891684004), (19, 1493434740), (20, 1418763003), (21, 1351202860), (28, 1013402145), (30, 945842002), (35, 810721716), (38, 746717370), (42, 675601430), (49, 579086940), (57, 497811580), (60, 472921001), (70, 405360858), (76, 373358685), (84, 337800715), (95, 298686948), (98, 289543470), (105, 270240572), (114, 248905790), (133, 213347820), (140, 202680429), (147, 193028980), (190, 149343474), (196, 144771735), (210, 135120286), (228, 124452895), (245, 115817388), (266, 106673910), (285, 99562316), (294, 96514490), (380, 74671737), (399, 71115940), (420, 67560143), (490, 57908694), (532, 53336955), (570, 49781158), (588, 48257245), (665, 42669564), (735, 38605796), (798, 35557970), (931, 30478260), (980, 28954347), (1140, 24890579), (1330, 21334782), (1470, 19302898), (1596, 17778985), (1862, 15239130), (1995, 14223188), (2660, 10667391), (2793, 10159420), (2940, 9651449), (3724, 7619565), (3990, 7111594), (4655, 6095652), (5586, 5079710), (7980, 3555797), (9310, 3047826), (11172, 2539855), (13965, 2031884), (18620, 1523913), (27930, 1015942), (55860, 507971)]