649729300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:530

約数の個数: 144

約数和(自身を含む): 1635145344

約数和(自身を除く): 985416044

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 61, 92, 100, 110, 115, 122, 220, 230, 244, 253, 275, 305, 421, 460, 506, 550, 575, 610, 671, 842, 1012, 1100, 1150, 1220, 1265, 1342, 1403, 1525, 1684, 2105, 2300, 2530, 2684, 2806, 3050, 3355, 4210, 4631, 5060, 5612, 6100, 6325, 6710, 7015, 8420, 9262, 9683, 10525, 12650, 13420, 14030, 15433, 16775, 18524, 19366, 21050, 23155, 25300, 25681, 28060, 30866, 33550, 35075, 38732, 42100, 46310, 48415, 51362, 61732, 67100, 70150, 77165, 92620, 96830, 102724, 106513, 115775, 128405, 140300, 154330, 193660, 213026, 231550, 242075, 256810, 282491, 308660, 385825, 426052, 463100, 484150, 513620, 532565, 564982, 590663, 642025, 771650, 968300, 1065130, 1129964, 1181326, 1284050, 1412455, 1543300, 2130260, 2362652, 2568100, 2662825, 2824910, 2953315, 5325650, 5649820, 5906630, 6497293, 7062275, 10651300, 11813260, 12994586, 14124550, 14766575, 25989172, 28249100, 29533150, 32486465, 59066300, 64972930, 129945860, 162432325, 324864650, 649729300]

約数ペア:

[(1, 649729300), (2, 324864650), (4, 162432325), (5, 129945860), (10, 64972930), (11, 59066300), (20, 32486465), (22, 29533150), (23, 28249100), (25, 25989172), (44, 14766575), (46, 14124550), (50, 12994586), (55, 11813260), (61, 10651300), (92, 7062275), (100, 6497293), (110, 5906630), (115, 5649820), (122, 5325650), (220, 2953315), (230, 2824910), (244, 2662825), (253, 2568100), (275, 2362652), (305, 2130260), (421, 1543300), (460, 1412455), (506, 1284050), (550, 1181326), (575, 1129964), (610, 1065130), (671, 968300), (842, 771650), (1012, 642025), (1100, 590663), (1150, 564982), (1220, 532565), (1265, 513620), (1342, 484150), (1403, 463100), (1525, 426052), (1684, 385825), (2105, 308660), (2300, 282491), (2530, 256810), (2684, 242075), (2806, 231550), (3050, 213026), (3355, 193660), (4210, 154330), (4631, 140300), (5060, 128405), (5612, 115775), (6100, 106513), (6325, 102724), (6710, 96830), (7015, 92620), (8420, 77165), (9262, 70150), (9683, 67100), (10525, 61732), (12650, 51362), (13420, 48415), (14030, 46310), (15433, 42100), (16775, 38732), (18524, 35075), (19366, 33550), (21050, 30866), (23155, 28060), (25300, 25681)]