157079780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{4993}}^1$

素因数の和:5037

約数の個数: 72

約数和(自身を含む): 390550776

約数和(自身を除く): 233470996

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 260, 286, 484, 572, 605, 715, 1210, 1430, 1573, 2420, 2860, 3146, 4993, 6292, 7865, 9986, 15730, 19972, 24965, 31460, 49930, 54923, 64909, 99860, 109846, 129818, 219692, 259636, 274615, 324545, 549230, 604153, 649090, 713999, 1098460, 1208306, 1298180, 1427998, 2416612, 2855996, 3020765, 3569995, 6041530, 7139990, 7853989, 12083060, 14279980, 15707978, 31415956, 39269945, 78539890, 157079780]

約数ペア:

[(1, 157079780), (2, 78539890), (4, 39269945), (5, 31415956), (10, 15707978), (11, 14279980), (13, 12083060), (20, 7853989), (22, 7139990), (26, 6041530), (44, 3569995), (52, 3020765), (55, 2855996), (65, 2416612), (110, 1427998), (121, 1298180), (130, 1208306), (143, 1098460), (220, 713999), (242, 649090), (260, 604153), (286, 549230), (484, 324545), (572, 274615), (605, 259636), (715, 219692), (1210, 129818), (1430, 109846), (1573, 99860), (2420, 64909), (2860, 54923), (3146, 49930), (4993, 31460), (6292, 24965), (7865, 19972), (9986, 15730)]